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What is the level of this question?

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You can check the difficulty level of a question, along with its stats, in the first post or in the tags just above the first post. For this question, the Difficulty is at a 700-750 Level. The difficulty level of a question is automatically calculated based on the timer stats from the users who have attempted the question.
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Bunuel
Flat Earth Society President: It is an accepted philosophical aphorism that all truth passes through three stages: first, it is mocked; second, it is opposed and condemned; third, it is accepted as self-evident. The central claims of my flat earth society were first mocked and now face ferocious opposition, so it is plain enough that they will shortly be accepted as self-evident.

Which of the following best describes the error in the president’s reasoning?

(A) The evidence presented for the president’s conclusion is irrelevant to that conclusion.

(B) The president generalizes from an atypical case.

(C) The phenomenon introduced by the president in support of his principal contention is not a phenomenon covered by the aphorism supplied.

(D) The president mistakes a condition necessary to obtain a result for a condition sufficient to obtain that result.

(E) The president exploits two meaning of the word “truth.”




VERITAS PREP OFFICIAL SOLUTION:



Solution: D

The difficulty in Method of Reasoning questions is usually not in determining what is actually happening in the question, but rather in translating your common sense explanation into the verbiage and jargon the correct answer will supply. It’s always best to come up with a common sense answer first: in this case, that truth is mocked then attacked, but that all things that are mocked and attacked are not necessarily truth. From there, translate your common sense answer into GMATese. Remember necessary and sufficient conditions: a necessary condition is something necessary to bring about a conclusion, but a sufficient condition brings about a conclusion by itself. Mockery and attack don’t guarantee truth, so they aren’t sufficient to guarantee a certain result; (D).
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