Combining Texts

Ideas for 'The Logical Syntax of Language', 'works' and 'Outlines of Pyrrhonism'

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

display all the ideas for this combination of texts

---

2 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / B. Logical Consequence / 8. Material Implication

12196

A valid hypothetical syllogism is 'that which does not begin with a truth and end with a falsehood' [Sext.Empiricus]