Combining Philosophers

Ideas for H.Putnam/P.Oppenheim, Jonathan Schaffer and Michael Dummett

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3 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 / 6. Identity between Objects
14081 Identities can be true despite indeterminate reference, if true under all interpretations [Schaffer,J]