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Ideas for 'The Evolution of Modern Metaphysics', 'Nominalism and Substitutional Quantifiers' and 'Truth and Truthmakers'

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2 ideas

9. Objects / F. Identity among Objects / 1. Concept of Identity
When entities contain entities, or overlap with them, there is 'partial' identity [Armstrong]
9. Objects / F. Identity among Objects / 2. Defining Identity
Substitutivity won't fix identity, because expressions may be substitutable, but not refer at all [Marcus (Barcan)]