Combining Texts

You have chosen 'Problems of Philosophy' by Bertrand Russell, 'Boole calculus and the Concept script' by Gottlob Frege and 'Letters to Lelong' by Gottfried Leibniz

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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