Combining Texts

All the ideas for 'On Motion', 'Our Knowledge of Mathematical Objects' and 'Possible Worlds and Necessary A Posteriori'

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

---

8 ideas

6. Mathematics / C. Sources of Mathematics / 6. Logicism / c. Neo-logicism

9224	Proceduralism offers a version of logicism with no axioms, or objects, or ontological commitment [Fine,K]

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / a. Constructivism

9222	The objects and truths of mathematics are imperative procedures for their construction [Fine,K]

9223	My Proceduralism has one simple rule, and four complex rules [Fine,K]

9. Objects / D. Essence of Objects / 9. Essence and Properties

14633

How do we tell a table's being contingently plastic from its being essentially plastic? [Jackson]

14635

An x is essentially F if it is F in every possible world in which it appears [Jackson]

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

14632

Quine may have conflated de re and de dicto essentialism, but there is a real epistemological problem [Jackson]

10. Modality / D. Knowledge of Modality / 3. A Posteriori Necessary

14631

How can you show the necessity of an a posteriori necessity, if it might turn out to be false? [Jackson]

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

12709

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