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Question: How can I disprove a contradiction using only a direct proof!?
Given: A and ~A
How can you prove: ~(A and ~A) using only a direct proof!?Www@QuestionHome@Com


Best Answer - Chosen by Asker:
A U ~A
~A U A
~A U ~~A
~(A U ~A)Www@QuestionHome@Com

Holy crap, what!?

Use an actual example, and maybe you'll get actual answers!.Www@QuestionHome@Com

You are not making sense!.Www@QuestionHome@Com

This makes no sense!.!.!.

How do you contradict letters A and ~A!?

Well!.!.!. Z and ~Z!. :]Www@QuestionHome@Com