Question #5503

Can you explain why it is "or" in the question but the correct answer has "and"?

Started by Josie-Tarin · started 2022-07-26 03:49 · last activity 2022-07-29 21:27 · 1 reply

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Replies

  1. Emil-Kunkin · 2022-07-29 21:27

    Hi Josie, If we have a statement like If X then Y or Z It's contrapositive is actually If Not Y or Not Z then Not X. The contrapositive of an and is an or, and the contrapositive of an or is an and

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