display all the ideas for this combination of texts
3 ideas
20790 | A proposition is possible if it is true when nothing stops it being true [Stoic school, by Diog. Laertius] |
20789 | Conditionals are false if the falsehood of the conclusion does not conflict with the antecedent [Stoic school, by Diog. Laertius] |
16522 | It is hard or impossible to think of Caesar as not human [Wiggins] |