Combining Texts

Ideas for 'Thinking About Mathematics', 'Mere Possibilities' and 'Essays on Active Powers 3: Princs of action'

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

display all the ideas for this combination of texts

---

1 idea

10. Modality / A. Necessity / 3. Types of Necessity

16466

Strong necessity is always true; weak necessity is cannot be false [Stalnaker]