Combining Texts

All the ideas for 'works', 'The Search After Truth' and 'On the Concept of Number'

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

---

4 ideas

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

6. Mathematics / C. Sources of Mathematics / 7. Formalism

22293

Hilbert said (to block paradoxes) that mathematical existence is entailed by consistency [Hilbert, by Potter]

8. Modes of Existence / B. Properties / 8. Properties as Modes

16669

Everything that exists is either a being, or some mode of a being [Malebranche]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

12726

In a true cause we see a necessary connection [Malebranche]