Logical ReasoningDifficulty: Easy

PT15 S2 Q23 Explanation

No computer will ever be able

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

TopicsNecessary Assumption

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Stimulus

No computer will ever be able to do everything that some human minds can do, for there are some problems that cannot be solved by following any set of mechanically applicable rules. Yet computers some set of mechanically applicable rules.

What this question is testing

Necessary Assumption

Your task

Find the assumption the argument requires in order for its conclusion to hold.

Common trap

Answers that would help the argument but aren't strictly required (sufficient, not necessary).

Winning move

Negate each choice — the right one breaks the argument when negated.

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

The question
23.

Which one of the following is an assumption on which the

Answer choices

  1. Trap4% picked this

    At least one problem solvable by following some set of mechanically applicable rules is not solvable

  2. Correct86% picked this

    At least one problem not solvable by following any set of mechanically applicable rules is solvable by at

    Why this is right

    Answer B is correct.

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

  3. Trap2% picked this

    At least one problem solvable by following some set of mechanically applicable rules is solvable

  4. Trap2% picked this

    Every problem that is solvable by following more than one set of mechanically applicable rules is solvable by

  5. Trap7% picked this

    Every problem that is solvable by following at least one set of mechanically applicable rules is solvable by

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