Ideas from 'Reference and Generality (3rd ed)' by Peter Geach [1980], by Theme Structure
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6. Mathematics / A. Nature of Mathematics / 3. Numbers / p. Counting
12154

Are 'word token' and 'word type' different sorts of countable objects, or two ways of counting

9. Objects / A. Existence of Objects / 6. Nihilism about Objects
8969

We should abandon absolute identity, confining it to within some category

9. Objects / F. Identity among Objects / 3. Relative Identity
16075

Denial of absolute identity has drastic implications for logic, semantics and set theory

12152

Identity is relative. One must not say things are 'the same', but 'the same A as'

9. Objects / F. Identity among Objects / 8. Leibniz's Law
16073

Leibniz's Law is incomplete, since it includes a nonrelativized identity predicate
