display all the ideas for this combination of texts
3 ideas
10479 | Logical consequence: true premises give true conclusions under all interpretations [Tarski, by Hodges,W] |
10694 | Logical consequence is when in any model in which the premises are true, the conclusion is true [Tarski, by Beall/Restall] |
8078 | Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin] |