display all the ideas for this combination of texts
4 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] |
17273 | Each basic modality has its 'own' explanatory relation [Fine,K] |
17289 | Every necessary truth is grounded in the nature of something [Fine,K] |