An excellent introduction to logic (in all possible worlds), September 24, 2002, by Dr. Lee D. Carlson (Baltimore, Maryland USA) [Amazon.com] It is too bad this book is out of print, for the authors ...
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Paradoxes Explained: Philosophy, Science, and Logic

From the mind-bending logic of the liar paradox to the mysteries of time travel and infinity, this video explains the most fascinating paradoxes across philosophy, science, and mathematics all in just ...
Catalog description: Introduction to deductive logic. Topics include: basic concepts of deductive logic; techniques of formal proof in propositional and predicate logic. 3 units. Prerequisites: No ...