Symbolic Logic III: Conditional Proofs w/ 'Real World' Examples

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Conditional Proofs in Propositional Logic are introduced in this video. We'll work through several examples, including ones in ordinary English, not just ones written in symbolic notations.

Note that this video is dedicated to studying the 1964 textbook "First Course in Mathematical Logic" by Patrick Suppes and Shirley Hill. It’s the easiest, simplest introduction to symbolic logic that I know of. It’s not only a mathematical textbook, it overlaps into the liberal arts with a strong focus on translating English propositions into the language of symbolic logic.

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Amateur Logician Propositional Logic Tutorial:

Amateur Logician Trivium Logic Tutorial:

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Question, which rules of inference are introduced up till that point? If you were using the Copi 19 rules, for example, there seems to be a proof of the textbook example that allegedly cannot be proven on p129. I just want to make sure there are limited rules up until the point that example is given. Using the Copi 19 rules I would not need conditional proof to get the desired conclusion.

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