Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer and 'Ontology and Mathematical Truth' by Michael Jubien

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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