Symbolic Logic III: Making Indirect Proofs (part a)

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Indirect Proofs are Proofs by Contradictions. The "reductio ad absurdum" is an "argument to absurdity." It's a powerful tool of argumentation, not only in mathematics but in ordinary arguments and even practical debates.

In this video, we'll study Indirect Proofs with the help of the 1964 textbook "First Course in Mathematical Logic" by Patrick Suppes and Shirley Hill.

This is Section 3.7: Indirect Proofs.

We'll cover this section in two videos. This is Part A.

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Amateur Logician Propositional Logic Tutorial:

Amateur Logician Trivium Logic Tutorial:
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Love your content and dedication to your craft.

Also love the unintended showing of your collection of math books on your shelf in one of your recent videos!

AlexChan-tudw