Combining Texts

Ideas for 'fragments/reports', 'Truthmakers' and 'The Structure of Empirical Knowledge'

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

display all the ideas for this combination of texts

---

4 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 / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

18489

Connectives link sentences without linking their meanings [MacBride]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

18476

'A is F' may not be positive ('is dead'), and 'A is not-F' may not be negative ('is not blind') [MacBride]