Natural Deduction

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=38B8-Tv0KiU

Our first session on the "Natural Deduction" strategy for proving validity for arguments in propositional logic. Four rules of valid inference are introduce...

Critical Thinking, Logic, Deduction, Propositional Logic, Natural Deduction, Modus Ponens, Modus Tollens, Disjunctive Syllogism, Hypothetical Syllogism
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