Combining Texts

Ideas for 'Protagoras', 'Wittgenstein's 'Philosophical Investigations'' and 'Abstract Objects'

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2 ideas

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

10522	The relations featured in criteria of identity are always equivalence relations [Hale]
	Full Idea: The relations which are featured in criteria of identity are always equivalence relations.
	From: Bob Hale (Abstract Objects [1987], Ch.3.III)
	A reaction: This will only apply to strict identity. If I say 'a is almost identical to b', this will obviously not be endlessly transitive (as when we get to k we may have lost the near-identity to a). Are 'two threes' identical to 'three twos'?

9. Objects / F. Identity among Objects / 3. Relative Identity

10321	We sometimes apply identity without having a real criterion [Hale]
	Full Idea: Not every (apparent) judgement of identity involves application of anything properly describable as a criterion of identity, ...such as being able to pronounce that mercy is the quality of being merciful.
	From: Bob Hale (Abstract Objects [1987], Ch.2.II)
	A reaction: This suggests some distinction between internal criteria (e.g. grammatical, conceptual) and external criteria (existent, sensed).