5 ideas
14713 | Truth in a scenario is the negation in that scenario being a priori incoherent [Chalmers] |
14180 | Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read] |
14181 | Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read] |
3016 | Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius] |
14712 | A sentence is a priori if no possible way the world might actually be could make it false [Chalmers] |