Various sources in the literature claim that the deduction theorem does not hold for normal modal or epistemic logic, whereas others present versions of the deduction theorem for several normal modal ...
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 ...
Journal of Philosophical Logic, Vol. 44, No. 3 (June 2015), pp. 237-258 (22 pages) Harold Hodes in [1] introduces an extension of first-order modal logic featuring a backtracking operator, and ...
This is a second course in symbolic logic. Our course presupposes you have had a first course in symbolic deductive logic, such as Sac State's PHIL 60, or CSC 28, or you have learned this material on ...
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