All practice questions

The rapid expansion of algorithmic high-frequency trading has prompted widespread calls among legislators for a novel regulatory framework specifically targeting autonomous market participants. Regulators must resist this pressure and instead apply existing antitrust jurisprudence to curb algorithmic market manipulation. The foundational principles of anti-competitive behavior, such as price collusion and quote stuffing, remain conceptually identical regardless of whether they are executed by human floor traders or autonomous software. Furthermore, drafting a bespoke regulatory regime specifically for algorithms necessitates rigidly defining computational boundaries, an endeavor that intrinsically lags behind technological development. Consequently, any newly engineered algorithmic code of conduct will inherently contain definitional loopholes that sophisticated financial entities can effortlessly exploit.

Which one of the following most accurately expresses the main conclusion of the argument?

Wild cereal grains naturally shatter upon ripening, a trait that makes them exceptionally difficult to harvest efficiently. Because of this, early human foragers instinctively concentrated their gathering efforts on the rare mutant plants that retained their seeds on the stalk. The prevailing theory that the initial domestication of these cereal crops was a deliberate agricultural innovation is fundamentally flawed; it was actually a purely accidental byproduct of basic foraging practices. After all, the successfully gathered seeds were the ones inadvertently scattered around settlements, meaning this selective harvesting inevitably increased the proportion of non-shattering mutants in the local populations over successive generations.

Which one of the following most accurately expresses the main conclusion of the argument?

Match each conditional statement on the left with its logically valid contrapositive on the right.

Philosopher: Psychological egoists claim that every human action is ultimately motivated by self-interest. They argue that even seemingly selfless acts, like donating anonymously to charity, are done to alleviate the donor's own feelings of guilt. But this explanation fails when applied to split-second acts of heroism. A bystander who instinctively dives in front of a moving train to save a child has no time to calculate emotional payoffs, proving that non-selfish motivations must exist.

Is the following statement regarding the argument true or false?

The philosopher's primary method of reasoning is to demonstrate that the psychological egoists' definition of self-interest is too broad to be logically meaningful.

In formal logic, accurately diagramming conditional statements is crucial for deductive reasoning. Let $M$ represent the statement 'The motion is granted' and $S$ represent the statement 'A settlement is reached'. Match each legal rule on the left with its correct propositional logic translation on the right.

Political Theorist: Critics of the proposed democratic reform argue that it will inevitably lead to systemic instability. To support this, they point out that identical reforms in neighboring nations resulted in immediate legislative gridlock. However, these critics mistakenly assume that legislative gridlock is inherently destabilizing. In a society characterized by deeply entrenched factionalism, gridlock is frequently the very mechanism that prevents the volatile, radical policy swings that constitute true political instability. Thus, the phenomenon the critics cite as a danger might actually be what preserves order.

Which one of the following most accurately describes the method of reasoning employed by the political theorist?

The city council is considering planting more oak trees in the downtown plaza. Oak trees provide significantly more shade than the currently planted elm trees. Therefore, planting oak trees will make the plaza cooler during the summer months. Because a cooler plaza will attract more visitors to the downtown area, the city council should proceed with the plan to plant oak trees.

Which one of the following most accurately describes the role played in the argument by the claim that planting oak trees will make the plaza cooler during the summer months?

In an argument by elimination, competing hypotheses are systematically ruled out by specific premises until only one valid option remains. Match each proposed hypothesis for the sudden decline in a local bee population (left) with the specific evidence that logically eliminates it from consideration (right).

Some art historians argue that the painting Tobias and the Angel should be reclassified as primarily a work of Leonardo da Vinci rather than his master, Andrea del Verrocchio. This proposed reclassification is fundamentally misguided. Laboratory analysis of the painting does reveal brushwork characteristics distinctly matching those of a young da Vinci, and Verrocchio routinely allowed senior apprentices to execute significant portions of his commissions. Thus, da Vinci almost certainly painted the majority of the figures in this specific piece. Nevertheless, Renaissance definitions of authorship dictate that a painting belongs to the master whose workshop contracted and supervised the piece, regardless of whose hand actually applied the paint.

Which one of the following most accurately expresses the main conclusion of the argument?

If a building is designated as a historical landmark, it cannot be demolished. Furthermore, any building that cannot be demolished is exempt from property taxes.

Which one of the following statements must be true based on the information provided?

Sociologist: Some urban analysts maintain that the recent widespread adoption of remote work will cause the permanent economic decline of city centers, citing the dramatic reduction in daily foot traffic in downtown business districts. However, this forecast is overly pessimistic. Just as the widespread adoption of the telephone did not eliminate the need for in-person business meetings but merely changed their primary purpose, the rise of remote work will likely transform city centers into specialized hubs for collaborative work and leisure rather than empty them out entirely.

Statement: The sociologist counters the analysts' forecast by drawing an analogy to a past technological advancement to demonstrate that the empirical evidence relied upon by the analysts is factually incorrect.

According to the recently ratified Global Agricultural Trade Pact, a nation is permitted to export genetically modified crops only if it maintains a centralized agricultural registry. Furthermore, maintaining such a registry requires the nation to pass the Environmental Baseline Audit. No nation passes the Environmental Baseline Audit without successfully implementing strict cross-pollination containment protocols. Finally, establishing an independent monitoring commission is prerequisite to successfully implementing these strict cross-pollination containment protocols.

Based on the rules provided, arrange the following conditions in the correct logical sequence to form an unbroken, valid deductive chain. Begin with the initial sufficient condition for the sequence and conclude with the final necessary condition.

Ethicist: Some argue that corporations have a moral obligation to maximize the happiness of their employees, reasoning that corporations function like small governments, which have a duty to their citizens. However, if corporations were truly obligated to maximize employee happiness, they would be ethically required to distribute all profits as bonuses rather than reinvesting in the business. Since a corporation that cannot reinvest will inevitably go bankrupt—thereby eliminating jobs and causing widespread unhappiness—this view is clearly flawed.

Which of the following most accurately describes the method of reasoning used in the ethicist's argument?

Below are four excerpts from a panel discussion regarding a proposal to implement a universal basic income (UBI). Match each excerpt to the abstract description of the method of reasoning it primarily employs.

Anthropologist: Many researchers contend that the unusual wear patterns on the teeth of the extinct hominid *Paranthropus boisei* indicate a diet consisting exclusively of hard foods, such as nuts and seeds. However, extant primates like the sootey mangabey exhibit nearly identical dental wear patterns, yet their diet consists primarily of soft fruits, with hard foods eaten only during periods of scarcity. Thus, the wear patterns on *P. boisei* teeth do not definitively prove a diet restricted to hard foods.

Which of the following most accurately describes the method of reasoning used in the anthropologist's argument?

Read the following argument from an anthropologist. Then, match each excerpt from the argument to the statement that best describes its structural role.

Anthropologist: The prevailing hypothesis regarding the collapse of the Classic Maya civilization points to a period of prolonged drought as the primary cause. But this drought hypothesis is ultimately unconvincing. While paleoclimatological records do confirm a severe drought during that era, several major Maya cities located in the driest regions continued to thrive for centuries after the drought began. Therefore, factors other than climate change must have been the primary drivers of the societal collapse.

The contemporary legal framework surrounding corporate personhood ought to be stripped of its provisions protecting corporate political speech. It is true that some form of corporate personhood is practically necessary; without it, companies could not enter into enforceable contracts or face civil liability. However, the legal capacity to participate in commerce does not logically necessitate the granting of political rights, which were historically intended solely to secure the democratic participation of natural persons. Furthermore, since a business entity cannot vote, face incarceration, or hold public office, attributing civic expression rights to corporations fundamentally conflates economic utility with civic identity.

Which one of the following most accurately expresses the main conclusion drawn in the argument?

Match each set of conditional premises with its logically valid chained conclusion or its valid contrapositive.

A strictly empirical approach to neuroscience is inherently insufficient to fully resolve the philosophical problem of human consciousness. Many neuroscientists operate under the assumption that mapping the precise neural correlates of cognitive states will eventually yield a complete explanation of subjective experience. However, even if researchers generate a comprehensive map of the brain activity corresponding to a specific emotion, the objective measurement of this neurological state cannot convey what it actually feels like to undergo that emotion. The qualitative character of subjective experience remains fundamentally distinct from its physical mechanisms. Therefore, discovering the neural correlates of an experience provides merely a functional description of its physical genesis, rather than a comprehensive account of its reality.

Which one of the following most accurately expresses the main conclusion of the argument?

Review the following argumentative passages and pair each excerpt with the abstract description that most accurately characterizes its primary method of reasoning.