What was the most difficult part of the material for you?
I had a hard time understanding the point of the vacuous proof. I feel like it's more important to discuss the conclusion of the implication, rather than on making these irrelevant statements that are true simply by the definition of implications. I'm sure they are just exercises in stretching the definition of a statement in our minds, but I'm open to the possibility of there being wider applications for vacuous proofs.
What was the most interesting part of the material for you?
I think that the method of the direct proof is an interesting one. I thought that was the only way to prove implications, so I'm excited to learn what other techniques there are for proving these statements.
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