Combining Texts

Ideas for 'Externalism', 'The Periodic Table' and 'Material Beings'

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2 ideas

9. Objects / F. Identity among Objects / 1. Concept of Identity
17588 We should talk of the transitivity of 'identity', and of 'definite identity' [Inwagen]
     Full Idea: In some contexts, the principle of 'the transitivity of identity' should be called 'the transitivity of definite identity'.
     From: Peter van Inwagen (Material Beings [1990], 18)
     A reaction: He is making room for a person to retain identity despite having changed. Applause from me.
9. Objects / F. Identity among Objects / 4. Type Identity
6157 Tokens are dated, concrete particulars; types are their general properties or kinds [Rowlands]
     Full Idea: Tokens are dated, concrete, particular occurrences or instances; types are the general properties that these occurrences exemplify or the kinds to which they belong.
     From: Mark Rowlands (Externalism [2003], Ch.2)
     A reaction: It might be said that types are sets, of which tokens are the members. The question of 'general properties' raises the question of whether universals must exist to make kinds possible.