Combining Texts

All the ideas for 'Scientific Explanation', 'Elucidation of some points in E.Schrder' and 'On the Principles of Indiscernibles'

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

---

3 ideas

2. Reason / F. Fallacies / 4. Circularity

9355	One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

14238

A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]

28. God / B. Proving God / 2. Proofs of Reason / a. Ontological Proof

2116	The concept of an existing thing must contain more than the concept of a non-existing thing [Leibniz]