Combining Texts

Ideas for 'Substance and Individuation in Leibniz', 'The Laws' and 'The Principles of Mathematics'

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17 ideas

9. Objects / A. Existence of Objects / 3. Objects in Thought

7781	I call an object of thought a 'term'. This is a wide concept implying unity and existence. [Russell]

9. Objects / A. Existence of Objects / 5. Simples

14166

Unities are only in propositions or concepts, and nothing that exists has unity [Russell]

9. Objects / A. Existence of Objects / 5. Individuation / a. Individuation

13102

If you individuate things by their origin, you still have to individuate the origins themselves [Cover/O'Leary-Hawthorne]

13103

Numerical difference is a symmetrical notion, unlike proper individuation [Cover/O'Leary-Hawthorne]

9. Objects / A. Existence of Objects / 5. Individuation / d. Individuation by haecceity

13104

Haecceity as property, or as colourless thisness, or as singleton set [Cover/O'Leary-Hawthorne]

9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification

14164

The only unities are simples, or wholes composed of parts [Russell]

9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates

14112

A set has some sort of unity, but not enough to be a 'whole' [Russell]

9. Objects / B. Unity of Objects / 2. Substance / a. Substance

13100

Maybe 'substance' is more of a mass-noun than a count-noun [Cover/O'Leary-Hawthorne]

9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance

13068

We can ask for the nature of substance, about type of substance, and about individual substances [Cover/O'Leary-Hawthorne]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

13069

The general assumption is that substances cannot possibly be non-substances [Cover/O'Leary-Hawthorne]

9. Objects / D. Essence of Objects / 4. Essence as Definition

21259

To grasp a thing we need its name, its definition, and what it really is [Plato]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

13072

Modern essences are sets of essential predicate-functions [Cover/O'Leary-Hawthorne]

17080

Modern essentialists express essence as functions from worlds to extensions for predicates [Cover/O'Leary-Hawthorne]

9. Objects / D. Essence of Objects / 15. Against Essentialism

14170

Change is obscured by substance, a thing's nature, subject-predicate form, and by essences [Russell]

9. Objects / E. Objects over Time / 12. Origin as Essential

13101

Necessity-of-origin won't distinguish ex nihilo creations, or things sharing an origin [Cover/O'Leary-Hawthorne]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

14107

Terms are identical if they belong to all the same classes [Russell]

11849

It at least makes sense to say two objects have all their properties in common [Wittgenstein on Russell]