Combining Texts

All the ideas for 'The Logical Syntax of Language', 'Schopenhauer' and 'New Foundations for Mathematical Logic'

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

---

4 ideas

2. Reason / A. Nature of Reason / 5. Objectivity

21373

We become objective when we detach ourselves from the world [Janaway]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

9879	NF has no models, but just blocks the comprehension axiom, to avoid contradictions [Quine, by Dummett]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention

13251

Each person is free to build their own logic, just by specifying a syntax [Carnap]