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Ideas for 'Frege philosophy of mathematics', 'Person and Object' and 'Reality without Reference'

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4 ideas

9. Objects / F. Identity among Objects / 2. Defining Identity

9848	Content is replaceable if identical, so replaceability can't define identity [Dummett, by Dummett]

9842	Frege introduced criteria for identity, but thought defining identity was circular [Dummett]

9. Objects / F. Identity among Objects / 5. Self-Identity

15806

The property of being identical with me is an individual concept [Chisholm]

9. Objects / F. Identity among Objects / 9. Sameness

15826

There is 'loose' identity between things if their properties, or truths about them, might differ [Chisholm]