Strengthen with Sufficient Premise Questions - - Question 1

Every photograph, because it involves the light rays that something emits hitting film, must in some obvious sense be...

Newt May 4, 2024

Why is C) wrong?

Hi LSAT MAX! I chose "C. It is not possible to determine the truthfulness of a photograph in any sense." because if you negate this answer to "It is possible to determine the truthfulness of a photograph in any sense," the conclusion wouldn't make sense. Therefore, it does strengthen the conclusion. Could you further explain why C) is wrong? Thank you in advance!

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Emil-Kunkin May 16, 2024

I think you're treating this as a necessary assumption question rather than a sufficient assumption, which it is. The negation test only applies to necessary assumptions. C is wrong because it doesn't fix the flaw.