Logical ReasoningDifficulty: Medium

PT9 S4 Q4 Explanation

Only if the electorate is moral

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsMust be True

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Stimulus

Only if the electorate is moral and intelligent will a well.

What this question is testing

Must be True

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
4.

Which one of the following can be logically inferred from the

Answer choices

  1. Reversal9% picked this

    If the electorate is moral and intelligent, then a democracy will

    We were given Democracy → Electorate is moral function well and intelligent This answer says Electorate is moral → Democracy and intelligent function well That's an illegal reversal. "If" and "Only if" are basically opposites on LSAT. When we see "if" next to an idea, we put that on the left side. When we see "only if" next to an idea, we put that idea on the right side.

  2. Too Strong1% picked this

    Either a democracy does not function well or else the electorate is not moral

    This answer is assuring us that it will always be the case that democracy isn't functioning well, the electorate isn't moral, the electorate isn't intelligent, or some combination of the three. But why are we so fatalistic? Isn't it possible, given this statement, that we have a moral, intelligent electorate and a democracy that functions well?

  3. Correct73% picked this

    If the electorate is not moral or not intelligent, then a democracy will

    Why this is right

    We were given Democracy → Electorate is moral function well and intelligent This answer just writes the contrapositive (you gotta love early tests) Electorate is not moral → Democracy or not intelligent function well A more conversational version of this is that we were told that a well-functioning democracy requires at least two things: a moral electorate and an intelligent electorate. So naturally if either of those required things are absent, then you can't have a well-functioning democracy.

    Skill tested: Must be True · how this choice captures the argument's function is the move to repeat next time.

  4. Negation15% picked this

    If a democracy does not function well, then the electorate is not moral

    We were given Democracy → Electorate is moral function well and intelligent This answer says Democracy not → Electorate is not moral function well or not intelligent That's an illegal reversal. "If" and "Only if" are basically opposites on LSAT. When we see "if" next to an idea, we put that on the left side. When we see "only if" next to an idea, we put that idea on the right side.

  5. Reversal2% picked this

    It cannot, at the same time, be true that the electorate is moral and intelligent and that a

    If we say, "it cannot at the same time be true that A is the case and that B is the case", we could write If A, then not B If B, then not A So we could write this answer as, "If it's true that the electorate is moral and intelligent, then it can't be the case that democracy functions well". In other words, Electorate is moral → Democracy and intelligent function well Just like (A), this is a reversal of what we were told: Democracy → Electorate is moral function well and intelligent Conversationally, it could be the case that the electorate is moral and intelligent and yet democracy doesn't function well, because there could be other requirements of a well-functioning democracy (such as free and fair elections whose outcome is accepted by the losing party).

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