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This video explains the basic logical concepts of validity and soundness.
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050412 - Aquinas, The Cardinal Virtues, pt. 2
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This video explains the truth tables for each of the five operators in sentential logic.
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This short video presents the distinction between inductive and deductive arguments.
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This video explains the 7 basic rules of proof for sentential logic.
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022412 - Plato, Meno, pt. 2
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Dr. Smith works through two more examples of proofs using the subproof method.
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This video walks through some short proofs in sentential logic, using the basic rules for proof.
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This video shows how to use truth tables to assess logical concepts such as tautology, contradiction, contingency, logical equivalence, consistency, and validity.
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This video provides a general overview of the concept of proofs in sentential logic. It demonstrates the use of a proof in a natural language (English) setting and it introduces the basic procedure…
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041312 - Mill, On Liberty pt. 1
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033012 - Mill, On Liberty, to p. 191
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This short video presents the philosophical problem of free will.
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This video provides an introduction to subproofs: conditional proof and indirect proof. The video provides several examples of proofs using the subproof method.
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