Combining Texts

All the ideas for 'A Theory of Conditionals', 'The Development of Logic' and 'Phil of Mathematics: why nothing works'

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

---

4 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / f. Axiom of Infinity V

10051

The axiom of infinity is not a truth of logic, and its adoption is an abandonment of logicism [Kneale,W and M]

6. Mathematics / C. Sources of Mathematics / 1. Mathematical Platonism / b. Against mathematical platonism

3663	How can you contemplate Platonic entities without causal transactions with them? [Putnam]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

14286

In nearby worlds where A is true, 'if A,B' is true or false if B is true or false [Stalnaker]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

14285

A possible world is the ontological analogue of hypothetical beliefs [Stalnaker]