Alayne S.

asked • 03/08/21# Method of Formal Proofs

People are happy if and only if they are compassionate. Nobody is both happy and compassionate. Hence people are both unhappy and uncompassionate.

I need to provide formal proofs of the validity of each of the following arguments and use the replacement rules and rules for elementary valid arguments. Can someone help

## 1 Expert Answer

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Alexandra D. answered • 04/18/21

Experienced tutor in Logic Material and other Elementary Subjects

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David F.

03/14/21