Combining Texts

All the ideas for 'Reply to Fourth Objections', 'Letters to Lelong' and 'Completeness of Axioms of Logic'

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

---

3 ideas

4. Formal Logic / C. Predicate Calculus PC / 3. Completeness of PC

17751

Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki]

17. Mind and Body / E. Mind as Physical / 6. Conceptual Dualism

3643	The concept of mind excludes body, and vice versa [Descartes]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

13097

Force in substance makes state follow state, and ensures the very existence of substance [Leibniz]