Combining Texts

All the ideas for 'On Motion', 'Plural Quantification Exposed' and 'De Essentia'

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7 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / n. Axiom of Comprehension

10779

A comprehension axiom is 'predicative' if the formula has no bound second-order variables [Linnebo]

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

10781

A 'pure logic' must be ontologically innocent, universal, and without presuppositions [Linnebo]

5. Theory of Logic / G. Quantification / 6. Plural Quantification

10778

Can second-order logic be ontologically first-order, with all the benefits of second-order? [Linnebo]

10783

Plural quantification depends too heavily on combinatorial and set-theoretic considerations [Linnebo]

9. Objects / A. Existence of Objects / 1. Physical Objects

10782

The modern concept of an object is rooted in quantificational logic [Linnebo]

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

13132

A snowball's haecceity is the property of being identical with itself [Plantinga, by Westerhoff]

27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]