Ideas from 'Substance and Individuation in Leibniz' by Cover,J/O'Leary-Hawthorne,J [1999], by Theme Structure

[found in 'Substance and Individuation in Leibniz' by Cover,J/O'Leary-Hawthorne,J [CUP 1999,978-0-521-07303-5]].

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8. Modes of Existence / A. Relations / 1. Nature of Relations
Scholastics treat relations as two separate predicates of the relata
9. Objects / A. Existence of Objects / 4. Individuation / a. Individuation
If you individuate things by their origin, you still have to individuate the origins themselves
Numerical difference is a symmetrical notion, unlike proper individuation
9. Objects / A. Existence of Objects / 4. Individuation / d. Individuation by haecceity
Haecceity as property, or as colourless thisness, or as singleton set
9. Objects / B. Unity of Objects / 2. Substance / a. Substance
Maybe 'substance' is more of a mass-noun than a count-noun
9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance
We can ask for the nature of substance, about type of substance, and about individual substances
9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
The general assumption is that substances cannot possibly be non-substances
9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties
Modern essences are sets of essential predicate-functions
Modern essentialists express essence as functions from worlds to extensions for predicates
9. Objects / E. Objects over Time / 12. Origin as Essential
Necessity-of-origin won't distinguish ex nihilo creations, or things sharing an origin
10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity
Even extreme modal realists might allow transworld identity for abstract objects
14. Science / D. Explanation / 2. Types of Explanation / c. Explanations by coherence
We can go beyond mere causal explanations if we believe in an 'order of being'