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Ideas for 'Logical Properties', 'There Are No Abstract Objects' and 'Letters to Burcher De Volder'

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17 ideas

9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties
19379 The law of the series, which determines future states of a substance, is what individuates it [Leibniz]
9. Objects / E. Objects over Time / 1. Objects over Time
13182 Changeable accidents are modifications of unchanging essences [Leibniz]
9. Objects / F. Identity among Objects / 1. Concept of Identity
6058 Identity propositions are not always tautological, and have a key epistemic role [McGinn]
9. Objects / F. Identity among Objects / 2. Defining Identity
6053 Identity is as basic as any concept could ever be [McGinn]
9. Objects / F. Identity among Objects / 4. Type Identity
6043 Type-identity is close similarity in qualities [McGinn]
6044 Qualitative identity is really numerical identity of properties [McGinn]
6046 Qualitative identity can be analysed into numerical identity of the type involved [McGinn]
6045 It is best to drop types of identity, and speak of 'identity' or 'resemblance' [McGinn]
9. Objects / F. Identity among Objects / 5. Self-Identity
6066 Existence is a property of all objects, but less universal than self-identity, which covers even conceivable objects [McGinn]
6054 Sherlock Holmes does not exist, but he is self-identical [McGinn]
9. Objects / F. Identity among Objects / 6. Identity between Objects
6047 All identity is necessary, though identity statements can be contingently true [McGinn]
9. Objects / F. Identity among Objects / 7. Indiscernible Objects
13178 Things in different locations are different because they 'express' those locations [Leibniz]
19411 In nature there aren't even two identical straight lines, so no two bodies are alike [Leibniz]
19412 If two bodies only seem to differ in their position, those different environments will matter [Leibniz]
9. Objects / F. Identity among Objects / 8. Leibniz's Law
6049 Leibniz's Law says 'x = y iff for all P, Px iff Py' [McGinn]
6048 Leibniz's Law is so fundamental that it almost defines the concept of identity [McGinn]
6050 Leibniz's Law presupposes the notion of property identity [McGinn]