Combining Texts

All the ideas for 'A Puzzle about Belief', 'Darwinian Metaphysics: Species and Essentialism' and 'The Foundations of Mathematics (2nd ed)'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

8. Modes of Existence / A. Relations / 4. Formal Relations / b. Equivalence relation

18465

An 'equivalence' relation is one which is reflexive, symmetric and transitive [Kunen]

18. Thought / B. Mechanics of Thought / 5. Mental Files

16383

Puzzled Pierre has two mental files about the same object [Recanati on Kripke]

27. Natural Reality / G. Biology / 5. Species

17366

Virtually all modern views of speciation rest on relational rather than intrinsic features [Okasha]