Combining Texts

All the ideas for 'Necessary Existents', 'Making It Explicit' and 'Investigations into Logical Deduction'

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

---

3 ideas

3. Truth / C. Correspondence Truth / 2. Correspondence to Facts

10355

Facts can't make claims true, because they are true claims [Brandom, by Kusch]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13832

Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]