Logical Reasoning

PT2 · S4 · Q6 Although this bottle is labeled “vinegar,”

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Although this bottle is labeled “vinegar,” no fizzing occurred when some of the liquid in it was added to powder from this box labeled “baking soda.” But when an acidic liquid such as vinegar is added to baking soda the resulting mixture fizzes, so this bottle clearly has been mislabeled.

Your task

Describe the reasoning error the argument actually commits.

Common trap

Answers that name a real logical flaw the argument doesn't actually make.

Winning move

Articulate the gap in the reasoning yourself, then match it to the choice that describes that gap.

6.

A flaw in the reasoning in the argument above is that this argument

  1. Ignores the possibility that the

    Trap

    9% picked this

  2. Correct

    Fails to exclude an alternative

    Why this is right

    Answer B is correct.

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

    81% picked this

  3. Depends on the use of

    Trap

    2% picked this

  4. Does not take into account

    Trap

    4% picked this

  5. Assumes that the fact of

    Trap

    4% picked this

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