Combining Texts

All the ideas for 'works', 'Investigations into Logical Deduction' and 'Scattered Objects'

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

---

4 ideas

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

10121

Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]

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]

9. Objects / B. Unity of Objects / 3. Unity Problems / a. Scattered objects

14961

Clearly a pipe can survive being taken apart [Cartwright,R]

14962

Bodies don't becomes scattered by losing small or minor parts [Cartwright,R]