Combining Texts

Ideas for 'fragments/reports', 'Topics' and 'Problems in the Explanation of Action'

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

display all the ideas for this combination of texts

---

3 ideas

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

6023	Every proposition is either true or false [Chrysippus, by Cicero]

5. Theory of Logic / L. Paradox / 2. Aporiai

11261

Puzzles arise when reasoning seems equal on both sides [Aristotle]