Combining Texts

Ideas for 'Intro: Theories of Vagueness', 'Why Constitution is not Identity' and 'The History of Animals'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

1 idea

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5

9065	S5 collapses iterated modalities (◊□P→□P, and ◊◊P→◊P) [Keefe/Smith]