Tüm alıştırma soruları

Any oil painting that is to be successfully restored must first be thoroughly cleaned. Furthermore, an oil painting can be thoroughly cleaned only if its original varnish is completely dissolved. The original varnish on the newly discovered portrait cannot be completely dissolved. Therefore, the newly discovered portrait cannot be successfully restored.

Which one of the following arguments exhibits a pattern of reasoning most similar to that exhibited by the argument above?

At the start of the fiscal year, a premium coffee brand transitioned to entirely eco-friendly, biodegradable packaging. Prior consumer surveys overwhelmingly indicated this move would increase customer loyalty and attract environmentally conscious buyers. However, six months after the transition, the brand's total sales volume had plummeted by $35\%$, even though the retail price of the coffee remained unchanged and overall market demand for premium coffee grew.

Statement: The additional information that the new biodegradable packaging fails to seal out oxygen, causing the coffee beans to become noticeably stale within days of purchase, successfully resolves the apparent discrepancy.

Botanist: To survive in the hyper-arid Atacama Desert, the Copiapoa cactus relies exclusively on regular coastal fog for hydration. However, recent atmospheric warming has permanently shifted this fog condensation layer to significantly higher altitudes, completely bypassing the low-lying valleys where the native Copiapoa populations are rooted. Because these cacti cannot survive for more than a few months without moisture, the only way to prevent the extinction of the Copiapoa in the wild is to artificially relocate the remaining populations to these higher elevations.

Evaluate the following statement: The botanist's argument depends on the assumption that artificially relocating the remaining Copiapoa populations to higher elevations will successfully prevent their extinction in the wild.

Philosopher: A genuinely altruistic act requires that the agent act solely for the benefit of another, devoid of any subconscious or conscious anticipation of a personal payoff. Yet, neurological studies demonstrate that when humans assist others in distress, their brains consistently release neurotransmitters that induce a profound sense of psychological well-being. Because humans are neurologically conditioned to expect this internal sensation when performing charitable acts, we must conclude that humans are incapable of genuine altruism.

Which one of the following is an assumption on which the philosopher's argument depends?

Read the following argument:

Any regulatory policy that restricts individual liberties is justified only if it prevents a significant public harm. The newly proposed zoning ordinance will undeniably restrict property owners' liberties. However, this ordinance was designed strictly to increase local tax revenues rather than to address any significant public harm. Therefore, the newly proposed zoning ordinance is not justified.

Statement: The argument's conclusion follows logically if it is assumed that a regulatory policy cannot prevent a significant public harm unless it was explicitly designed to address one.

Match each of the following arguments regarding a city transit authority's transition to electric buses (Left) with the newly discovered piece of evidence (Right) that most effectively strengthens its specific conclusion.

In a bid to reduce employee burnout, the consulting firm Vanguard Partners replaced its standard policy of 20 days of paid vacation per year with a policy allowing unlimited paid time off. The firm's executives expected that employees would take more time off to recharge. However, one year after the policy change, data showed that the average number of vacation days taken per employee had decreased by 25 percent. Paradoxically, the firm's internal surveys simultaneously revealed a significant decrease in burnout and a marked improvement in overall employee well-being compared to the previous year.

Which one of the following, if true, most helps to resolve the apparent discrepancy?

A legal analyst argues: 'To secure a commercial zoning permit, a property developer must submit an environmental impact report. Any developer who submits an environmental impact report will face a mandatory public hearing. Therefore, if a property developer secures a commercial zoning permit, they must hire legal representation.'

Arrange the following logical steps in the correct sequence to construct a valid deductive chain that proves the analyst's conclusion. Your sequence must start with the initial trigger condition, proceed through the explicit premises, insert the required sufficient assumption to bridge the logical gap, and end with the final guaranteed outcome.

Marine Biologist: The recent severe decline in the local population of tufted puffins is driven by new commercial fishing operations off the coast. The puffin population started dropping sharply three years ago, precisely when these commercial fleets began large-scale harvesting of sand lance, the puffin's primary food source.

Statement: A cessation of the commercial harvesting of sand lance would result in a full recovery of the local tufted puffin population.

The statement above is a necessary assumption of the marine biologist's argument.

Anthropologist: Chemical analysis of obsidian blades found at the ancient inland Xoloti settlement perfectly matches the isotopic signature of the coastal Yuma quarry, located 400 miles away across the barren Sunu Desert. Clearly, the Xoloti must have engaged in direct, long-distance trade expeditions with the coastal Yuma people to obtain this material, rather than acquiring it gradually through a chain of intermediate, shorter trade networks involving other settlements.

Which of the following, if true, would most strengthen the anthropologist's argument? Select all that apply.

Political Theorist: Any society aiming to establish a truly egalitarian economic framework is obligated to prioritize the decentralization of its political institutions. When political authority is heavily concentrated, bureaucratic inertia inevitably stifles the implementation of innovative wealth-redistribution programs. Fortunately, the newly ratified constitution of the Republic of Montoria systematically dismantles its historically centralized governance structures. Therefore, by enacting this constitution, Montoria will successfully institute a truly egalitarian economic framework.

Which of the following most accurately describes a flaw in the political theorist's reasoning?

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.

Read the following passage carefully. Then, match each explicit detail from the text (on the left) with the specific logical inference it most strongly supports (on the right).

In the late nineteenth and early twentieth centuries, urban theorists responded to the squalor of industrialization through two distinct, though occasionally intersecting, philosophical paradigms. The City Beautiful movement, championed by Daniel Burnham, sought to impose moral and civic virtue upon the urban populace through monumental, neoclassical grandeur. Burnham’s philosophy posited that aesthetically unified public spaces would organically inspire civic loyalty, thereby mitigating social unrest. Consequently, City Beautiful projects prioritized municipal centers, grand boulevards, and elaborate park systems, often at the expense of addressing the structural poverty endemic to the residential wards they displaced.

Conversely, Ebenezer Howard’s Garden City movement approached urban dysfunction not as an aesthetic deficit, but as a socio-economic crisis necessitating spatial decentralization. Howard advocated for the creation of self-contained, limited-population satellite communities encircled by permanent agricultural greenbelts. Unlike Burnham, who sought to retrofit existing metropolises with monumental civic cores, Howard’s model was fundamentally preventative. By strictly regulating land use to prevent overcrowding and integrating industry with natural landscapes, Howard believed the Garden City would naturally suppress the economic stratification inherent to the unregulated capitalist metropolis.

While both movements sought to remedy the moral decay attributed to industrial slums, their structural methodologies implied divergent views on human behavior. The City Beautiful movement operated on the assumption that individuals are primarily influenced by their visual and civic environment; thus, grandeur begets order. Howard's model, however, suggested that social harmony is fundamentally a byproduct of economic and spatial equilibrium, implying that aesthetic improvements without corresponding structural economic changes are ultimately superficial.

Consider the following scenario and the proposed resolution:

Scenario: A major research hospital implemented a rigorous hand-hygiene protocol for all medical staff, designed specifically to reduce the transmission of hospital-acquired bacterial infections. An independent, year-long audit confirmed a 98% staff compliance rate with the new protocol. Hospital administrators logically expected the frequency of these infections to plummet. However, at the end of the year, the total number of hospital-acquired bacterial infections recorded at the facility was 40% higher than the total number recorded in the previous year.

Statement to Evaluate: The additional premise *"Midway through the year, the hospital completed a massive infrastructure expansion that absorbed patient populations from three closed regional clinics, effectively doubling the hospital's total patient admission volume compared to the previous year"* successfully bridges the conflicting premises and resolves the apparent discrepancy.

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?

Match each candidate necessary assumption on the left with its logically precise contradictory on the right. This strict formulation is essential for properly testing assumptions in formal arguments.

Paleontologist: The recently unearthed fossil of *Aerovenator*, a small theropod dinosaur, clearly shows impressions of asymmetrical feathers surrounding its forelimbs. In all modern bird species, asymmetrical feathers are essential for generating the aerodynamic lift required for sustained, powered flight. Therefore, unlike its close evolutionary relatives which were only capable of gliding, *Aerovenator* possessed the ability to engage in sustained, powered flight.

Which of the following are assumptions on which the paleontologist's argument depends? (Select all that apply.)

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.

Match each logical argument (left) with the specific piece of evidence (right) that most powerfully strengthens its conclusion by resolving its core structural vulnerability.

The survival of the coral reef ecosystem in the Sapphire Atoll requires a continuous presence of parrotfish. Parrotfish, however, can maintain their populations only if there is a low concentration of acidic pollutants in the surrounding water. It has been recently established that heavy industrial runoff from the mainland introduces high levels of heavy metals into the atoll. Therefore, whenever the atoll experiences heavy industrial runoff, the coral reef ecosystem will ultimately fail to survive.

Which one of the following is an assumption required by the argument?