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Ideas for 'fragments/reports', 'On Sense and Reference' and 'Symposium'

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9. Objects / F. Identity among Objects / 1. Concept of Identity

4893	Frege was asking how identities could be informative [Frege, by Perry]
	Full Idea: A problem which Frege called to our attention is: how can identities be informative?
	From: report of Gottlob Frege (On Sense and Reference [1892]) by John Perry - Knowledge, Possibility and Consciousness §5.2
	A reaction: E.g. (in Russell's example) how is "Scott is the author of 'Waverley'" more informative than "Scott is Scott"? A simple answer might just be that informative identities also tell you of a thing's properties. "The red ball is the heavy ball".