Combining Philosophers

You have chosen Peter B. Lewis, David Papineau and William K. Clifford

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All the ideas for Formal Logic, or select a subheading:

	A.	Syllogistic Logic
	B.	Propositional Logic PL
	C.	Predicate Calculus PC
	D.	Modal Logic ML
	E.	Nonclassical Logics
	F.	Set Theory ST
	G.	Formal Mereology