Logical Flaws

245 soru

Soru 141Soru →

Read the argument below.

Legal Scholar: The proposed statutory framework for regulating artificial intelligence should be entirely rejected. A legislative mandate that attempts to codify ethical constraints on algorithmic decision-making is inherently invalid. We can be certain of this because any legal apparatus designed to restrict the autonomous outputs of machine learning systems inherently lacks legitimate jurisprudential standing.

Is the following statement about the argument true or false?

The legal scholar's argument is logically flawed because it offers a premise that is essentially a mere restatement of the conclusion it seeks to prove.

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Cevap: True

Cevap

True. The argument commits the flaw of circular reasoning (begging the question) by using synonymous language to present the conclusion as its own premise.
The statement correctly diagnoses the argument's flaw. The scholar concludes that a statutory framework regulating AI is invalid. The only evidence given is that a legal mechanism restricting machine learning lacks standing. These two claims are semantically identical, meaning the premise simply assumes the truth of the conclusion rather than independently supporting it.

Adım Adım Çözüm

1
Identify the conclusion of the argument.
The conclusion is that a legislative mandate attempting to codify ethical constraints on AI is inherently invalid.
Evaluating any argument requires first understanding the main point the author is trying to establish.
2
Identify the premises provided to support the conclusion.
The sole premise is that any legal apparatus designed to restrict the autonomous outputs of machine learning systems lacks legitimate jurisprudential standing.
Premises are the evidence or logical foundation meant to support the conclusion.
3
Compare the semantic meaning of the premise and the conclusion.
A 'legal apparatus' is synonymous with a 'legislative mandate', 'restricting machine learning' is synonymous with 'codifying constraints on AI', and 'lacking legitimate jurisprudential standing' means it is 'inherently invalid'.
In complex arguments, identifying semantic equivalence reveals whether independent evidence is actually being offered.
4
Evaluate the statement provided in the question.
The statement claims the premise is essentially a mere restatement of the conclusion. Based on the semantic comparison, this claim is accurate.
This matches the definition of circular reasoning, specifically the 'synonymic paraphrasing' archetype.

Anahtar Kavram

Circular Reasoning (Begging the Question)
Soru 142Soru →

According to the established standards of rational inquiry, a theory is justified only if it is supported by a preponderance of empirical evidence. The striking workers claim that their decision to blockade the factory is justified because it is the only way to force management to the negotiating table and secure living wages. But this demonstrates a clear misunderstanding of rational inquiry. Since the workers have provided no empirical evidence to support their blockade, their claim that the blockade is justified is entirely without merit.

Which of the following most accurately describes a logical flaw in the argument's reasoning?

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Cevap: It illicitly employs a term in a sense appropriate to evaluating truth claims in order to judge the merits of a practical endeavor.

Cevap

The argument is flawed because it illicitly employs a term in a sense appropriate to evaluating truth claims in order to judge the merits of a practical endeavor.
The correct answer accurately describes the argument's fallacy of equivocation. The author establishes a standard for when a theory is 'justified' (an epistemic sense involving truth and factual evidence) and then inappropriately applies that exact standard to a 'decision to blockade' (a practical endeavor where 'justified' means morally or strategically warranted). By conflating these two distinct meanings of 'justified', the argument reaches a flawed conclusion.

Adım Adım Çözüm

1
Analyze the first premise to identify the standard established by the author.
The author establishes that a 'theory is justified only if it is supported by a preponderance of empirical evidence.' Here, 'justified' means epistemically validated.
Understanding the initial definition of key terms is necessary to track how they are used later in the argument.
2
Analyze the target of the author's critique.
The author is criticizing the striking workers' claim that their 'decision to blockade the factory is justified.' Here, 'justified' means practically or morally defensible.
Identifying the shift in context (from evaluating a 'theory' to evaluating a 'decision') is crucial for spotting semantic shifts.
3
Evaluate the author's conclusion based on the premises.
The author concludes the workers' claim is without merit because they provided no empirical evidence. The author applies the standard for epistemic justification to a claim of practical justification.
This reveals the core logical flaw: the argument conflates two different senses of the word 'justified'.

Anahtar Kavram

Equivocation (Uncertain Use of a Term)
Soru 143Soru →

Each of the arguments below is vulnerable to criticism on the grounds that it illicitly shifts the meaning of a key term. Pair each flawed argument with the abstract description that most accurately diagnoses its specific equivocation.

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Öğeler

The head coach demands that all athletes attend rigorous practice sessions daily in order to refine their physical conditioning and teamwork. However, our team physician has maintained a highly successful medical practice for over two decades without ever participating in daily physical drills. Therefore, the coach's requirement is unnecessarily burdensome.
The new municipal taxation policy is heavily criticized by opponents for unfairly discriminating against the owners of small, family-run businesses. Yet, the fundamental duty of any municipal regulatory agency is to properly discriminate among different economic sectors based on their distinct market impacts and community needs. Thus, the criticism of the taxation policy is logically unfounded.
The fundamental laws of thermodynamics dictate that the total entropy in any completely isolated system must inevitably always increase over time. Since it is our primary civic duty as responsible citizens to strictly obey the law at all times, laboratory scientists are morally obligated to ensure that the isolated systems in their experiments exhibit increasing entropy.
A prominent literary reviewer recently claimed that the acclaimed novelist's latest manuscript completely lacks a consistent narrative structure, confusing the reader. But this new manuscript is entirely consistent with the author's previous award-winning works, which also featured deliberately disjointed timelines and fragmented storytelling. Therefore, the reviewer's claim regarding the manuscript's narrative is demonstrably false.

Eşleşmeler

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Cevap

The correct pairings accurately match the ambiguous term exploited in each argument (practice, discriminate, law, consistent) with the abstract description of how its meaning illicitly changes between the premises and the conclusion.
Each correct pairing successfully diagnoses the dual meanings of the ambiguous terms exploited in the arguments. The coach/physician argument shifts 'practice' from training to a profession; the taxation argument shifts 'discriminating' from prejudice to selection; the thermodynamics argument shifts 'law' from descriptive science to prescriptive rules; and the literary argument shifts 'consistent' from internal coherence to historical alignment.

Adım Adım Çözüm

1
Analyze the sports/medicine argument to locate the semantic shift.
Identified that 'practice' changes meaning from 'athletic training' to 'a medical business'.
Finding the specific term that bridges the premises but changes definition reveals the equivocation.
2
Analyze the taxation argument to locate the semantic shift.
Identified that 'discriminating' changes meaning from 'unjust prejudice' to 'judicious distinction'.
This shows how a valid regulatory function is improperly used to dismiss a claim of unfair bias.
3
Analyze the thermodynamics argument to locate the semantic shift.
Identified that 'law' changes meaning from 'a scientific description of nature' to 'a prescriptive civic duty'.
This uncovers the flaw of treating a natural inevitability as a moral or legal obligation.
4
Analyze the literary critique argument to locate the semantic shift.
Identified that 'consistent' changes meaning from 'internally coherent structure' to 'matching a past historical pattern'.
This highlights how the author's historical habits are improperly used to disprove a claim about internal narrative logic.

Anahtar Kavram

Equivocation (Uncertain Use of a Term) occurs when an argument relies on a key word or phrase having one meaning in a premise and an entirely different meaning in another premise or the conclusion.
Tahmini Süre:3m 0s
Soru 144Soru →

Financial Columnist: In 2015, traditional brick-and-mortar retailers accounted for 80 percent of all retail corporate bankruptcies, while online-only retailers accounted for the remaining 20 percent. Since then, the total number of online-only retailers operating in the market has quadrupled. Last year, traditional brick-and-mortar retailers accounted for only 55 percent of all retail corporate bankruptcies, whereas online-only retailers accounted for 45 percent. It is clear from these figures that the financial stability of traditional brick-and-mortar retailers has improved since 2015, as they are now experiencing fewer bankruptcies annually than they did previously.

Which of the following most accurately describes a flaw in the financial columnist's reasoning?

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Cevap: It infers a decline in an absolute quantity based solely on a decline in the proportion of a whole, without establishing whether the total pool has remained stable.

Cevap

The correct answer is the option stating that the argument infers a decline in an absolute quantity based solely on a decline in the proportion of a whole, without establishing whether the total pool has remained stable.
The correct answer perfectly diagnoses the mathematical vulnerability in the columnist's reasoning. The author observes that brick-and-mortar stores represent a smaller slice of the bankruptcy 'pie' (55% down from 80%). From this, they conclude that the actual amount of brick-and-mortar bankruptcies has decreased. This logic only works if the total size of the pie remained the same or shrank. If the total number of corporate bankruptcies across all sectors skyrocketed over those years, 55% of the new total could easily represent a much larger absolute number of failed businesses than 80% of the old total. The author fails to establish whether the total pool remained stable, making the conclusion invalid.

Adım Adım Çözüm

1
Identify the premises.
Premise 1: In 2015, brick-and-mortar = 80% of bankruptcies. Premise 2: Last year, brick-and-mortar = 55% of bankruptcies. Premise 3: The number of online retailers has quadrupled.
Deconstructing the argument structure is required to isolate what evidence the author is relying upon.
2
Identify the main conclusion.
Brick-and-mortar retailers are now experiencing fewer absolute bankruptcies annually than they did in 2015.
Locating the conclusion reveals the exact claim that needs to be scrutinized for logical leaps.
3
Analyze the relationship between the premises and the conclusion.
The author takes a decrease in a percentage (from 80% to 55%) and assumes it equates to a decrease in an absolute number (fewer bankruptcies overall).
This exposes the core mechanism of the author's reasoning.
4
Determine why this reasoning is flawed.
A percentage only has absolute meaning relative to its total. If the total number of retail bankruptcies grew massively between 2015 and last year, 55% of the new, massive total could be a much larger number than 80% of the small 2015 total.
This uncovers the specific vulnerability in the argument: the failure to establish a stable baseline total.
5
Match the identified flaw to the answer choices.
The correct option accurately describes concluding an absolute decline from a proportional decline without considering the total.
Selecting the answer choice that perfectly matches our structural abstraction.

Anahtar Kavram

Percentages vs. Numbers Flaws
Tahmini Süre:2m 0s
Soru 145Soru →

Sociologist: A society can only be considered free if its citizens are not subject to systemic coercion. As modern neuroscience has demonstrated, every human action is the inevitable result of prior neurological states governed by inflexible natural laws. Since our actions are dictated by these inescapable natural laws, they are completely determined by forces outside our control. Thus, we are constantly subject to systemic coercion. Therefore, no human society can truly be considered free.

Which of the following accurately describe a logical flaw in the sociologist's reasoning? Select all that apply.

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Cevap: It equivocates with respect to the concept of "coercion," using it to refer to interpersonal or political oppression in one context and physical determinism in another.; It illicitly shifts the meaning of the term "free" from a state of political or social liberty to a state of metaphysical independence.

Cevap

The argument is flawed because it illicitly shifts the meanings of two key terms: it uses "coercion" to mean both social oppression and physical determinism, and "free" to mean both political liberty and metaphysical independence.
The sociologist's argument relies entirely on using words in wildly different senses. It uses a political and sociological definition of 'coercion' (meaning oppression by human agents or institutions) in its first premise, but then applies the term 'coercion' to the inflexible laws of physics and neuroscience. Consequently, the concept of being 'free' shifts from meaning 'politically free' to 'metaphysically free' (possessing free will over natural laws). The options describing these illicit semantic shifts correctly identify the logical flaw.

Adım Adım Çözüm

1
Analyze the first premise to identify the initial context of the key terms.
The argument defines a "free" society as one where citizens are not subject to "systemic coercion," establishing a clear political and sociological context.
Understanding the original context of the terms is necessary to detect a semantic shift later in the argument.
2
Analyze the subsequent premises and the conclusion.
The argument introduces neuroscience and natural laws, claiming that humans are "completely determined by forces outside our control." It equates this determinism with "systemic coercion," leading to the conclusion that no society is "free."
This reveals how the argument attempts to bridge scientific determinism with sociological conditions.
3
Compare the usage of key terms across the premises.
The terms "free" and "coercion" change meanings entirely. In the sociological premise, they refer to human political agency and human-driven oppression. In the scientific premise, they refer to metaphysical free will and physical causality.
Identifying this dual-meaning shift reveals the central logical flaw of equivocation.
4
Evaluate the answer choices against the identified flaw.
The choices describing the specific semantic shifts in "coercion" and "free" accurately pinpoint the argument's vulnerability.
In a multi-select format, identifying all manifestations of the core flaw is required for the correct answer.

Anahtar Kavram

Equivocation occurs when a single term is used in two different senses within the same argument, creating a false logical bridge between unrelated concepts.
Soru 146Soru →

City Council Member: Over the past fifteen years, our city's transition to using a new synthetic asphalt binder has directly caused a steady decrease in our annual road maintenance costs. Since we plan to continue using this synthetic binder exclusively, we can confidently project that our annual road maintenance costs will continue to decrease over the next ten years.

Which one of the following most accurately describes a flaw in the city council member's reasoning?

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Cevap: takes for granted that a trend observed in the past will necessarily persist into the future

Cevap

The correct answer identifies that the argument illicitly assumes a historical trend will continue indefinitely into the future.
The argument commits a classic Time Shift Flaw. It takes a historical trend (a steady decrease in maintenance costs over 15 years) and improperly projects it into the future. It fails to consider that the initial savings might have represented a one-time optimization curve, and that costs cannot decrease indefinitely (eventually hitting a floor).

Adım Adım Çözüm

1
Analyze the argument's structure.
Premise: Using the new binder caused costs to decrease steadily over the past 15 years. Conclusion: Costs will continue to decrease over the next 10 years because the binder will still be used.
Deconstructing the argument is the first step to evaluating its logical validity.
2
Identify the gap between the premise and the conclusion.
The argument uses historical data (past 15 years) to make a definitive projection about the future (next 10 years) without guaranteeing conditions will remain the same.
Finding the unwarranted assumption reveals the logical flaw.
3
Determine the specific logical fallacy committed.
The author assumes that a past trend of cost reduction will continue indefinitely. It is entirely possible that the maximum cost-saving benefit of the new binder has already been reached, and costs will now stabilize.
Naming the specific flaw (Time Shift Flaw) makes it easier to match with the correct abstract answer choice.
4
Evaluate the options against the identified flaw.
The correct option perfectly describes the assumption that a past trend will persist into the future.
This confirms the answer without falling for trap choices that describe different fallacies.

Anahtar Kavram

Time Shift Flaws occur when an argument improperly projects past or present conditions, trends, or behaviors into the future without establishing that the underlying circumstances will remain unchanged.
Soru 147Soru →

Analyze the following arguments drawn from various corporate and public policy contexts. Pair each argument with the abstract description that most accurately identifies its specific error in reasoning regarding numbers and percentages.

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Öğeler

In 2015, independent coffee shops captured 12% of total national coffee sales. By 2025, their market share rose to 28%. Clearly, independent coffee shops sold a greater volume of coffee in 2025 than they did a decade earlier.
During the summer months, the municipal pool recorded 150 instances of minor injuries, compared to just 30 instances at the local lake. Therefore, swimming at the municipal pool is inherently more dangerous than swimming at the local lake.
According to a public health report, 85% of pedestrian accidents in the downtown district last year involved individuals crossing at designated crosswalks, whereas only 15% involved individuals crossing elsewhere. This demonstrates that using a designated crosswalk makes a pedestrian more likely to be struck by a vehicle.
Five years ago, the manufacturing division accounted for 40% of our company's total expenses. Today, it accounts for only 25%. This proves that the manufacturing division has successfully reduced its operating costs over the past five years.

Eşleşmeler

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Cevap

The coffee shop argument matches with the flaw of assuming an increased proportion entails an increased absolute quantity. The municipal pool argument matches with the flaw of relying on absolute incident numbers without comparing baseline frequencies. The crosswalk argument matches with the flaw of using a high proportion of total events to infer likelihood without considering the prevalence of the conditions. The manufacturing division argument matches with the flaw of assuming a decreased share reflects a reduction in absolute amount.
Each argument commits a distinct variation of the Percentages vs. Numbers flaw. By identifying the exact premise type (absolute number vs. percentage) and the specific conclusion type (absolute number vs. rate), each argument maps uniquely to its corresponding abstract flaw description.

Adım Adım Çözüm

1
Analyze the coffee shop argument.
Identified a shift from a percentage increase (12% to 28%) to a conclusion about an absolute volume increase.
To map it to the description that critiques assuming proportion growth guarantees absolute growth.
2
Analyze the municipal pool argument.
Identified a shift from higher raw incident numbers (150 vs 30) to a conclusion about relative danger or rate.
To map it to the description that critiques using absolute numbers without relative frequency baselines.
3
Analyze the crosswalk argument.
Identified a shift from a high percentage of total accidents occurring in a specific condition to concluding that the condition inherently increases likelihood.
To map it to the description that critiques ignoring the baseline prevalence of the condition in the broader population.
4
Analyze the manufacturing division argument.
Identified a shift from a percentage decrease (40% to 25%) to a conclusion about an absolute cost reduction.
To map it to the description that critiques assuming a decreased relative share means a decreased absolute amount.

Anahtar Kavram

Identifying statistical reasoning errors where an argument conflates proportional shares (percentages) with actual sizes (absolute numbers), or vice versa, without providing necessary baseline context.
Soru 148Soru →

Medical researcher: When evaluated against a placebo in our most recent large-scale trial, the experimental allergy medication reduced the frequency of symptomatic episodes by a statistically significant margin. Therefore, health professionals should recommend this medication as a replacement for current over-the-counter treatments, because patients will obviously benefit from experiencing such a significant improvement in their daily routines.

Which one of the following most accurately describes a flaw in the medical researcher's reasoning?

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Cevap: shifts illicitly from using a term to indicate that a study's results were unlikely to have occurred by chance to using that same term to indicate that an effect is practically meaningful

Cevap

The argument trades on an ambiguity in the word 'significant', using it in a statistical sense in the premise and in a practical, everyday sense in the conclusion.
The correct answer accurately identifies that the argument commits the fallacy of equivocation. In the premise, 'statistically significant' simply means the data shows a measurable difference that is not due to statistical noise or chance—even if the actual reduction in symptoms is microscopic. In the conclusion, the researcher uses 'significant improvement' to mean a major, noticeable change in patients' daily lives. The argument falsely equates these two entirely different meanings of 'significant' to justify replacing current treatments.

Adım Adım Çözüm

1
Analyze the argument's structure to identify the premises and the main conclusion.
Premise: The medication reduced symptoms by a 'statistically significant' margin. Conclusion: It should replace current treatments because it provides a 'significant improvement'.
Separating the evidence from the claim helps isolate the logical gap.
2
Evaluate the relationship between the premise and the conclusion for vulnerabilities.
The conclusion assumes that the mathematical certainty of the result (statistical significance) equates to a large, life-changing magnitude of relief (practical significance).
An argument must logically bridge its evidence to its conclusion without changing the meaning of key concepts.
3
Identify the specific logical fallacy being committed based on the vulnerability.
The argument commits an equivocation fallacy by shifting the meaning of the word 'significant' halfway through the reasoning.
A term cannot have two distinct meanings within the same logical proof without invalidating the conclusion.
4
Select the option that accurately describes this semantic shift.
The correct option highlights the shift from 'unlikely to have occurred by chance' to 'practically meaningful'.
This precisely matches the equivocation identified in the text without introducing outside assumptions.

Anahtar Kavram

Equivocation (Uncertain Use of a Term)
Soru 149Soru →

Analyze the four brief arguments below. Pair each argument with the abstract description that best characterizes its flaw in reasoning regarding numerical or proportional evidence.

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Öğeler

Ten years ago, 5% of patients discharged from Valley Hospital were readmitted within a month. This year, the readmission rate is 8%. Therefore, Valley Hospital is readmitting more patients this year than it did a decade ago.
Last year, the state recorded 400 fires in electric vehicles and over 10,000 fires in gas-powered cars. Clearly, any given electric vehicle is far less likely to catch fire than a gas-powered car.
In 2015, popcorn accounted for 60% of snack bar revenues at the cinema. Today, popcorn accounts for only 40% of snack revenues. Thus, the cinema's total sales volume of popcorn must have declined since 2015.
Since introducing the new pest-resistant seeds, the total number of crops lost to insects in the region has doubled. This proves the new seeds are less effective at preventing insect damage per acre planted than the previous seeds.

Eşleşmeler

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Cevap

The correct pairings match the specific numerical or proportional shift in each argument to its abstract logical flaw description.
Each correct pairing accurately identifies whether the specific argument is flawed by improperly moving from a percentage to a raw number (as seen in the Hospital and Cinema arguments) or by improperly moving from a raw number to a percentage/rate (as seen in the Electric Vehicles and Farming arguments).

Adım Adım Çözüm

1
Analyze the Valley Hospital argument regarding readmission.
Identify that it moves from a percentage increase to an absolute number increase.
This maps to the description about inferring an increase in absolute numbers solely from an increase in a percentage.
2
Evaluate the electric vehicle argument regarding fires.
Identify that it compares raw numbers to make a claim about probability.
This maps to concluding a lower probability from a smaller raw number without considering total group sizes.
3
Assess the cinema popcorn argument regarding revenues.
Identify that it assumes a dropping percentage means a dropping total amount.
This maps to presuming a decline in proportion guarantees a decline in absolute quantity.
4
Analyze the crop seed argument regarding insect damage.
Identify that it uses an increased total number to claim a worse per-acre rate.
This maps to deriving a proportional claim from an absolute increase while ignoring overall volume changes.

Anahtar Kavram

Percentages vs. Numbers Flaws
Tahmini Süre:2m 0s
Soru 150Soru →

Financial Analyst: In 2021, investments in renewable energy startups accounted for 22 percent of all venture capital funding deployed in the energy sector. By 2025, that figure had dropped to 14 percent. Conversely, the share of energy sector venture funding going to traditional fossil fuel companies rose from 8 percent to 15 percent over the same period. This proportional shift demonstrates a change in investor focus. Therefore, it is clear that venture capitalists are funneling a smaller absolute amount of money into renewable energy startups today than they were in 2021.

Which of the following most accurately describes a flaw in the financial analyst's reasoning?

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Cevap: It takes for granted that a reduction in a category's percentage of a total necessarily signifies a reduction in the absolute quantity of that category.

Cevap

The correct answer is the option stating that the argument takes for granted that a reduction in a category's percentage of a total necessarily signifies a reduction in the absolute quantity of that category.
The argument commits a classic Numbers and Percentages flaw. It observes a decrease in the percentage of total funding allocated to renewable energy (from 22% to 14%) and directly concludes that the absolute amount of money has decreased. This reasoning is flawed because it fails to account for the overall size of the funding pool. If the total venture capital deployed in the energy sector tripled between 2021 and 2025, then 14% of the new total would be a substantially larger absolute amount of money than 22% of the old total. The correct option perfectly identifies this unwarranted mathematical assumption.

Adım Adım Çözüm

1
Analyze the structure of the argument to identify the premises and the main conclusion.
Premises: Renewable energy's share of funding dropped from 22% to 14%, while fossil fuels' share rose. Conclusion: The absolute amount of money funneled into renewable energy is less than it was in 2021.
Separating premises from the conclusion is essential for evaluating logical validity.
2
Evaluate the logical connection between the evidence provided and the claim made.
The premises exclusively provide information about the percentage (market share) of total funding, whereas the conclusion makes a definitive claim about the absolute amount of funding (total dollars).
Identifying the gap between the type of evidence (proportions) and the conclusion (absolute numbers) reveals the core logical vulnerability.
3
Determine what missing information would be required to logically justify the conclusion.
To definitively know if the absolute amount of funding decreased, one must know the total amount of venture capital funding deployed in both 2021 and 2025.
If the total funding pool grew massively, a smaller percentage of the new total could still yield a much larger absolute amount of money than the larger percentage of the old total.
4
Select the option that accurately describes this specific mathematical and logical vulnerability.
The correct option identifies that the argument conflates a decrease in proportion with a decrease in absolute quantity.
This choice precisely matches the logical gap without misrepresenting the argument's structure or claims.

Anahtar Kavram

Percentages vs. Numbers Flaws
Soru 151Soru →

Software Executive: Over the past three years, the percentage of our company's total revenue generated by mobile applications has steadily declined. In contrast, the percentage of our total revenue generated by enterprise software has grown. Therefore, it is clear that our mobile applications are bringing in less money than they did three years ago.

Which one of the following most accurately describes a flaw in the software executive's reasoning?

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Cevap: draws a conclusion about a decrease in an absolute quantity based solely on evidence regarding a decreasing share of a total

Cevap

The correct answer identifies that the argument draws a conclusion about an absolute quantity (actual money brought in) based entirely on a percentage (share of total revenue).
The correct answer accurately describes the logical vulnerability in the executive's reasoning. A percentage is a relative value. A smaller percentage of a much larger total pie can equate to a larger absolute slice than a bigger percentage of a smaller pie. By concluding that the mobile apps are bringing in 'less money' (an absolute quantity) based solely on the fact that their 'percentage' of total revenue dropped, the author commits a fundamental numbers-versus-percentages fallacy.

Adım Adım Çözüm

1
Identify the premise of the argument.
The premise is that the percentage of total revenue from mobile applications has declined, while the percentage from enterprise software has grown.
Understanding the exact nature of the evidence (proportions vs. absolute numbers) is required to evaluate the logic.
2
Identify the conclusion drawn by the executive.
The conclusion is that mobile applications are bringing in less money (an absolute amount) than they did three years ago.
Isolating the conclusion allows us to spot the logical leap from the premise.
3
Analyze the relationship between the premise and the conclusion.
The argument assumes that a smaller percentage of a whole guarantees a smaller absolute number, failing to consider that the total size of the whole (overall revenue) may have increased.
This reveals the classic 'Percentages vs. Numbers' flaw, which is the exact vulnerability asked for in the question stem.

Anahtar Kavram

Percentages vs. Numbers Flaws
Tahmini Süre:1m 15s
Soru 152Soru →

Mayor: The historical preservation board claims we should not approve the new skyscraper because it would destroy the unique character of the downtown district. However, building this skyscraper requires a massive collaborative effort, a commitment to overcoming immense engineering challenges, and a dedication to improving our city's future. These are all qualities that undeniably build strong character. Thus, the board is mistaken; the skyscraper project will actually enhance, not destroy, character.

The reasoning in the mayor's argument is most vulnerable to criticism on the grounds that the argument...

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Cevap: illicitly relies on two distinct senses of the word "character" in reaching its conclusion.

Cevap

The argument is flawed because it illicitly relies on two distinct senses of the word "character" in reaching its conclusion.
The correct answer accurately describes the flaw of equivocation. The preservation board is concerned with the 'character' of the district in an aesthetic, architectural, or historical sense. The mayor counters by discussing the 'character' built by hard work and collaboration—meaning moral or psychological virtues. Because the mayor uses a completely different definition of the word, the mayor's premises about moral virtues do nothing to refute the board's concerns about architectural aesthetics.

Adım Adım Çözüm

1
Analyze the preservation board's claim.
The board opposes the skyscraper because it will destroy the downtown district's 'unique character'.
To understand the original context of the debate.
2
Analyze the mayor's counterargument and premises.
The mayor lists virtues required to build the skyscraper (collaboration, commitment) and claims these build 'strong character'.
To identify how the mayor attempts to refute the board.
3
Compare the usage of the key term in both claims.
The board uses 'character' to mean architectural style or historical ambiance. The mayor uses 'character' to mean moral strength or psychological fortitude.
To evaluate whether the mayor is addressing the exact same issue as the board.
4
Identify the logical flaw.
The mayor's conclusion that the project will 'enhance, not destroy, character' is invalid because it uses a different definition of the word than the one central to the board's objection.
Arguments must use terms consistently to be logically valid.

Anahtar Kavram

Equivocation (Uncertain Use of a Term)
Soru 153Soru →

Industry Analyst: In 20242024, software engineers accounted for 45%45\% of all new hires at major tech firms, while product managers accounted for 25%25\%. In 20252025, software engineers accounted for 55%55\% of all new hires at these same firms, and product managers accounted for 15%15\%. Clearly, these firms hired a greater total number of software engineers and a smaller total number of product managers in 20252025 than they did in 20242024.

The analyst's conclusion depends on assuming which of the following? Select all that apply.

Geçerli olan tümünü seçin

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Cevap: The total number of new employees hired by major tech firms in 20252025 was not significantly smaller than the total number hired in 20242024.; The overall volume of new hires at major tech firms did not increase dramatically between 20242024 and 20252025.

Cevap

The argument requires assuming BOTH that the total number of hires was not significantly smaller (which protects the software engineer claim) AND that the total number of hires did not increase dramatically (which protects the product manager claim).
The argument attempts to draw two specific conclusions about absolute numbers based on percentage changes moving in opposite directions. To guarantee that a rising percentage (45% to 55%) yields a rising absolute number, the baseline total cannot shrink too much. Conversely, to guarantee that a falling percentage (25% to 15%) yields a falling absolute number, the baseline total cannot grow too much. Therefore, the argument implicitly assumes bounds on how much the total hiring pool could have fluctuated in either direction.

Adım Adım Çözüm

1
Identify the core logical flaw.
The argument conflates percentages (proportions) with absolute numbers (counts).
An increase or decrease in a percentage only guarantees a corresponding increase or decrease in the absolute number if the baseline total remains relatively constant.
2
Analyze the first half of the conclusion: 'greater total number of software engineers'.
The percentage rose from 45% to 55%. For the actual number to rise, the total pool of hires could not have shrunk drastically. If total hires went from 1,000 down to 100, software engineers would drop from 450 to 55.
This reveals the first required assumption: the overall hiring volume must not have been significantly smaller in 2025.
3
Analyze the second half of the conclusion: 'smaller total number of product managers'.
The percentage fell from 25% to 15%. For the actual number to fall, the total pool of hires could not have exploded in size. If total hires went from 1,000 up to 10,000, product managers would increase from 250 to 1,500.
This reveals the second required assumption: the overall hiring volume must not have increased dramatically in 2025.

Anahtar Kavram

Percentages vs. Numbers Flaws
Soru 154Soru →

The reasoning in each of the short arguments below is flawed due to the uncertain use of a key term or phrase. Select the precise abstract description from the right column that accurately characterizes the semantic shift occurring in each argument.

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Öğeler

The city's proposed noise ordinance is highly practical, as the police force can easily enforce its specific decibel limits. However, since the ordinance will drive away the vibrant nightlife that funds our tax base, it is clearly not practical.
Company policy guarantees that employees will be fully compensated for any substantial loss incurred during corporate relocation. Therefore, because my transfer to the overseas branch resulted in a profound loss of my sense of community, I am owed financial compensation.
According to the historical society, the preservation of the old courthouse is a matter of profound public interest. Yet this cannot be true, because a recent poll showed that the vast majority of the public has no interest whatsoever in architecture.
The critic claims the director's latest film is utterly senseless, arguing it lacks any coherent narrative or thematic depth. But this is demonstrably false, since the film relies heavily on bright flashing lights and blaring alarms, which strongly impact the senses.

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

The correct matches pair each argument with the precise abstract description of its semantic shift: Practicality (feasibility vs. desirability), Loss (economic vs. emotional), Interest (welfare vs. curiosity), and Senseless (incoherent vs. lacking perceptual stimulation).
Each correct pair accurately identifies the specific word that changes meaning during the course of the argument, and correctly maps the two distinct definitions used to the abstract categories provided in the right-hand items (e.g., feasibility vs. desirability, or economic vs. emotional).

Adım Adım Çözüm

1
Analyze the first argument to identify the word whose meaning changes.
The word 'practical' changes from meaning 'capable of being enforced' in the premise to 'having beneficial tax consequences' in the conclusion.
Identifying the dual definitions of the pivoting term is necessary to match it with the abstract description of feasibility versus desirability.
2
Analyze the second argument for a semantic shift.
The term 'loss' shifts from an intended economic meaning in the company policy to an emotional meaning in the employee's claim.
Recognizing the context of the policy (financial) versus the application (emotional) maps directly to the economic/psychological description.
3
Analyze the third argument for its equivocal term.
The phrase 'public interest' (meaning collective welfare) is conflated with the public having an 'interest' (meaning curiosity or engagement) in architecture.
Distinguishing between normative benefit and psychological engagement identifies the correct match.
4
Analyze the fourth argument's semantic pivot.
The word 'senseless' shifts from meaning 'without logical coherence' to meaning 'without sensory impact'.
Contrasting narrative depth with flashing lights reveals the shift between logical and perceptual definitions.

Anahtar Kavram

Equivocation (Uncertain Use of a Term)
Tahmini Süre:2m 30s
Soru 155Soru →

Match each of the following flawed arguments to the abstract description that most accurately identifies its reasoning error concerning percentages and absolute numbers.

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Öğeler

Bicycle thefts accounted for 15% of all reported property crimes in the city this year, up from 5% a decade ago. Therefore, there are more bicycle thefts now than there were ten years ago.
Hospital Alpha treated 400 patients for respiratory illness this month, while Hospital Beta treated only 80. Thus, a patient at Hospital Alpha is more likely to be treated for a respiratory illness than a patient at Hospital Beta.
Zeta Tech's share of the global smartphone market fell from 30% to 20% over the last three years. This shows that Zeta Tech is manufacturing fewer smartphones than it did three years ago.
The city's public library received a record 10,000 new book donations this year. Consequently, donated books must represent a larger percentage of the library's total acquisitions this year than in previous years.

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

The bicycle theft argument pairs with the proportion-to-quantity increase flaw; the hospital argument pairs with the quantity-to-rate flaw; the smartphone argument pairs with the share-to-quantity decrease flaw; the library argument pairs with the quantity-to-proportion increase flaw.
Each argument represents one of four directional variations of the percentage vs. number flaw. By precisely identifying whether the premise offers absolute data or proportional data, and whether the conclusion claims an absolute result or a proportional result, you can map each argument to its abstract description.

Adım Adım Çözüm

1
Analyze the premise and conclusion of the first argument.
Premise: Proportion increased (5% to 15%). Conclusion: Absolute number increased.
Identifying the shift from a relative metric to an absolute metric isolates the specific percentage-to-number flaw.
2
Analyze the premise and conclusion of the second argument.
Premise: Absolute number is higher (400 vs 80). Conclusion: Likelihood (rate) is higher.
This reveals the inverse flaw: moving improperly from an absolute count to a comparative proportion.
3
Analyze the premise and conclusion of the third argument.
Premise: Market share (proportion) decreased. Conclusion: Absolute number decreased.
This mirrors the first flaw but tests the downward trajectory, confusing a shrinking slice of the pie with a shrinking absolute size of the slice.
4
Analyze the premise and conclusion of the fourth argument.
Premise: Absolute number is at a record high. Conclusion: Percentage must be larger.
This confirms the final mapping, showing an improper leap from a high quantity to a high relative percentage.

Anahtar Kavram

Percentages vs. Numbers Flaws
Tahmini Süre:1m 30s
Soru 156Soru →

Public Health Official: Ten years ago, asthma cases represented 8%8\% of all respiratory-related emergency room visits in our county. Last year, asthma cases represented 18%18\% of all respiratory-related emergency room visits. Clearly, a greater number of people in our county are suffering from severe asthma attacks requiring emergency care than a decade ago.

Which of the following most accurately describes a flaw in the public health official's reasoning?

Cevabı ve açıklamayı göster

Cevap: treats an increase in the percentage of a whole as definitive evidence of an increase in the absolute number of items in that category

Cevap

The correct answer is the option stating that the argument treats an increase in the percentage of a whole as definitive evidence of an increase in the absolute number of items in that category.
The official's argument concludes that the absolute number of asthma cases has increased simply because asthma now makes up a larger percentage of a specific group (respiratory ER visits). This is logically flawed because it ignores changes to the total size of that group. If the total number of respiratory-related emergency room visits plummeted over the last decade, 18%18\% of the new, smaller total could represent a smaller absolute number of patients than 8%8\% of the old, much larger total.

Adım Adım Çözüm

1
Analyze the premises provided in the stimulus.
The premise states that the percentage of respiratory-related ER visits attributed to asthma increased from 8%8\% to 18%18\% over a decade.
To establish the factual basis the official is using for their argument.
2
Identify the conclusion drawn by the official.
The official concludes that the absolute number of asthma cases requiring emergency care has increased.
To determine exactly what the argument is trying to prove.
3
Evaluate the logical gap between the premises and the conclusion.
The premises provide information exclusively about proportions (percentages of a specific category), but the conclusion makes a definitive claim about absolute numbers (a greater number of people).
To locate the structural flaw in the reasoning.
4
Determine what information is missing that makes the conclusion invalid.
The argument ignores the overall size of the baseline group (total respiratory ER visits). If total respiratory ER visits dropped dramatically, 18%18\% of the new, smaller total could be fewer actual patients than 8%8\% of the old, larger total.
To precisely define the percentage vs. number fallacy occurring in the stimulus.

Anahtar Kavram

Percentages vs. Numbers Flaws
Soru 157Soru →

Consider the following argument:

'Technological optimists argue that artificial intelligence will solve our most pressing economic inequalities by creating unprecedented abundance. However, historically, major technological shifts have always temporarily displaced workers and widened wealth gaps before new economic structures could distribute the benefits. Since we cannot afford another period of extreme wealth polarization, we must heavily restrict the deployment of advanced AI systems.'

This argument's reasoning is flawed primarily because it presumes, without providing justification, that heavily restricting advanced AI systems is the only way to prevent extreme wealth polarization during this technological transition.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
The statement is true because the argument makes an unwarranted leap from the premise that 'unrestricted AI will cause wealth polarization' to the conclusion that 'we must heavily restrict AI.' This structure represents a classic false dilemma. It ignores alternative policy solutions to the problem of wealth polarization, such as allowing the technology to develop while implementing new economic safety nets to support displaced workers.

Adım Adım Çözüm

1
Analyze the argument's premises and conclusion.
Premise: AI will likely cause temporary wealth polarization, which society cannot afford. Conclusion: Society must heavily restrict AI deployment.
Breaking down the argument into its core components is essential for identifying logical gaps.
2
Identify the unstated assumption connecting the premise to the conclusion.
The argument assumes that if we do not restrict AI, we will inevitably suffer the polarization.
Fallacies in logical reasoning often hide in unstated assumptions that bridge the premises and the conclusion.
3
Determine if this assumption creates a false dilemma.
Yes, it creates a false dichotomy between 'restrict AI' and 'suffer extreme wealth polarization.' It ignores the middle ground of 'allow AI but implement economic policies to redistribute the resulting wealth and protect displaced workers.'
A false dilemma occurs when alternatives are unjustifiably ignored or when addressing a problem is assumed to require eliminating its root cause rather than mitigating its effects.
4
Evaluate the given statement against this finding.
The statement accurately describes this exact flaw by pointing out the unjustified presumption that restricting AI is the only way to prevent the polarization. Therefore, the statement is true.
The provided statement perfectly captures the essence of the false dilemma present in the stimulus.

Anahtar Kavram

A false dilemma (or false dichotomy) occurs when an argument unjustifiably limits the available options. In policy arguments, this often manifests as assuming that addressing a problem requires eliminating its root cause, completely ignoring the possibility of implementing strategies to mitigate the negative effects.
Soru 158Soru →

Mayor: Our municipality is facing a critical energy shortage and must rapidly increase its power generation capacity. Critics oppose the construction of a new nuclear power facility, citing safety concerns and the high cost of waste disposal. However, if we do not construct the nuclear facility, we will be forced to rely exclusively on imported fossil fuels, which will drastically increase our greenhouse gas emissions and violate our climate commitments. Therefore, the critics are wrong, and we must proceed with the nuclear facility.

Which of the following most accurately describes a logical flaw in the mayor's argument?

Cevabı ve açıklamayı göster

Cevap: It overlooks the possibility that the municipality could increase its power generation capacity using alternative energy sources other than a nuclear facility or imported fossil fuels.

Cevap

The correct answer is the option stating that the argument overlooks the possibility of using alternative energy sources other than a nuclear facility or imported fossil fuels.
The argument is fundamentally flawed because it presents exactly two mutually exclusive and exhaustive options for solving the energy shortage: building a nuclear facility or relying exclusively on imported fossil fuels. By failing to consider middle-ground or alternative possibilities—such as solar, wind, geothermal energy, or conservation efforts—the argument rests on a false dichotomy.

Adım Adım Çözüm

1
Identify the argument's main conclusion.
The conclusion is: 'We must proceed with the nuclear facility.'
This is the primary claim the mayor is trying to prove against the critics.
2
Identify the premises provided to support the conclusion.
Premise 1: The city must increase power capacity. Premise 2: If the nuclear facility is not built, the city will be forced to rely exclusively on fossil fuels. Premise 3: Relying on fossil fuels violates climate commitments.
Understanding the structure helps isolate the gap between the evidence and the conclusion.
3
Evaluate the logical jump between the premises and the conclusion.
The argument assumes a strict either/or scenario: either build the nuclear plant OR rely 100% on fossil fuels.
The conclusion only logically follows if there are absolutely no other ways to generate power.
4
Select the option that describes this specific vulnerability.
The correct choice identifies that the mayor fails to consider other clean energy alternatives, thereby committing a false dilemma.
Flaw questions require describing the specific structural error made by the author.

Anahtar Kavram

False Dilemma (False Dichotomy)
Soru 159Soru →

Each of the following arguments relies on a flawed assumption that artificially restricts the available possibilities. Which critique accurately describes the specific false dichotomy committed in each argument?

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Öğeler

To solve the state's severe budget deficit, legislators must either drastically cut funding for public healthcare or face imminent state bankruptcy. Since citizens will never accept degrading the quality of healthcare, declaring bankruptcy is completely unavoidable.
The ancient empire's sudden collapse must have been caused by either a massive volcanic eruption or a violent foreign invasion. Extensive geological surveys have found no trace of volcanic ash from that era, so the empire was undoubtedly conquered by foreign armies.
The only way our technology startup can avoid insolvency this quarter is by either launching the beta software prematurely or securing an emergency loan from our primary investors. Since those investors have categorically refused to provide additional funding, we are forced to release the unfinished product.
A successful modern novel must either deliver a thrilling, fast-paced narrative or deeply explore profound philosophical themes. Because this author's newest release is an action-packed detective story, it clearly lacks any serious thematic depth.

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

The budget argument pairs with the critique regarding alternative financial variables. The archaeology argument pairs with the critique regarding alternative catastrophic occurrences. The startup argument pairs with the critique regarding alternative organizational strategies. The novel argument pairs with the critique assuming qualitative elements are mutually exclusive.
Each argument represents a distinct structural manifestation of the False Dilemma flaw. By isolating the constrained options presented in each stimulus (e.g., 'must either X or Y', 'the only way... is A or B'), you can directly map them to the critiques that explicitly point out the specific alternatives or middle-ground realities that were improperly excluded from the author's reasoning.

Adım Adım Çözüm

1
Analyze the state budget argument to identify the false dichotomy.
The argument assumes the only two options are cutting public healthcare or facing bankruptcy.
This perfectly matches the critique that takes for granted that a financial shortfall cannot be addressed by altering other variables, such as new revenues.
2
Analyze the ancient empire argument to identify the false dichotomy.
The argument assumes the only causes for the sudden collapse are a volcanic eruption or a foreign invasion.
This directly matches the critique that fails to consider alternative catastrophic occurrences like drought or internal rebellion.
3
Analyze the technology startup argument to identify the false dichotomy.
The argument assumes the only ways to avoid insolvency are launching prematurely or securing a loan from primary investors.
This aligns with the critique that neglects alternative organizational strategies to avert a crisis, such as reducing operating expenses.
4
Analyze the modern novel argument to identify the false dichotomy.
The argument assumes a novel can either have a fast-paced narrative or philosophical themes, treating them as an either/or scenario.
This corresponds to the critique that assumes two distinct qualitative elements are mutually exclusive and cannot be integrated.

Anahtar Kavram

False Dilemma (False Dichotomy)
Tahmini Süre:2m 0s
Soru 160Soru →

Director: To adequately secure our planetary defense network, we must reallocate 15 percent of the agency's current satellite development funds away from deep-space exploratory probes and dedicate that capital entirely to near-Earth asteroid detection systems. Unidentified near-Earth objects currently represent the most immediate existential threat to our planet.

Astrophysicist: That is a catastrophically short-sighted policy. If we abandon all deep-space research, our technological edge in interstellar navigation will collapse, and our quest to understand the origins of the universe will be permanently halted.

Which of the following statements accurately describe how the astrophysicist's response distorts the director's initial argument? Select all that apply.

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: The response exaggerates a recommended partial reduction in a specific program's budget into a complete termination of that program.; The response disregards the explicit quantitative limitation the director places on the proposed resource shift.

Cevap

The correct statements recognize that the astrophysicist takes a modest, strictly quantified proposal (shifting 15 percent of funds) and inflates it into an extreme, absolute position (abandoning all deep-space research).
The correct options accurately describe the mechanics of the 'Straw Man' fallacy occurring in this specific dialogue. The director explicitly limits the funding change to a partial reduction (15 percent), but the astrophysicist argues against the catastrophic effects of halting 'all' deep-space research—a much extreme position that the director never advocated.

Adım Adım Çözüm

1
Analyze the director's original argument.
The director proposes reallocating exactly 15 percent of funds away from deep-space probes to address an immediate threat.
Establishing the precise boundaries of the initial claim is necessary to identify how it is later distorted.
2
Analyze the astrophysicist's rebuttal.
The astrophysicist attacks the consequences of 'abandoning all deep-space research.'
Comparing the rebuttal to the initial claim reveals the logical gap or fallacy.
3
Identify the nature of the logical mismatch between the two statements.
The astrophysicist mischaracterizes a limited 15 percent reduction as a 100 percent elimination (a Straw Man flaw).
This specific exaggeration makes the director's position appear far more radical and easier to attack.

Anahtar Kavram

Straw Man
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