Combining Texts

All the ideas for 'The Epistemology of Modality', 'Slaughterhouse Five' and 'Elucidation of some points in E.Schrder'

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

3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set
14238 A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]
10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible
19440 How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]
16. Persons / F. Free Will / 5. Against Free Will
22352 Out of more than a hundred planets, Earth is the only one with the idea of free will [Vonnegut]