Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Phil of Mathematics and Natural Science' by Hermann Weyl and 'Theory of Knowledge (2nd edn)' by Keith Lehrer

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All the ideas for Theory of Logic, or select a subheading:

	A.	Overview of Logic
	B.	Logical Consequence
	C.	Ontology of Logic
	D.	Assumptions for Logic
	E.	Structures of Logic
	F.	Referring in Logic
	G.	Quantification
	H.	Proof Systems
	I.	Semantics of Logic
	J.	Model Theory in Logic
	K.	Features of Logics
	L.	Paradox