If Grace is inspected on Tuesday, which one of the following could be the buildings inspected in the afternoons, list...

yuetngan July 21, 2020

Why doesn't answer A work?

Why doesn't answer A work? I see how B works but A also works. Which one to choose?

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yuetngan July 21, 2020

Nvm, I forgot the contrapositive works.

shunhe July 21, 2020

Glad you figured it out!