14 ideas
| 14713 | Truth in a scenario is the negation in that scenario being a priori incoherent [Chalmers] |
| 19086 | Does the pragmatic theory of meaning support objective truth, or make it impossible? [Macbeth] |
| 10688 | 'Equivocation' is when terms do not mean the same thing in premises and conclusion [Beall/Restall] |
| 10690 | Formal logic is invariant under permutations, or devoid of content, or gives the norms for thought [Beall/Restall] |
| 10691 | Logical consequence needs either proofs, or absence of counterexamples [Beall/Restall] |
| 10695 | Logical consequence is either necessary truth preservation, or preservation based on interpretation [Beall/Restall] |
| 10689 | A step is a 'material consequence' if we need contents as well as form [Beall/Restall] |
| 10696 | A 'logical truth' (or 'tautology', or 'theorem') follows from empty premises [Beall/Restall] |
| 10693 | Models are mathematical structures which interpret the non-logical primitives [Beall/Restall] |
| 10692 | Hilbert proofs have simple rules and complex axioms, and natural deduction is the opposite [Beall/Restall] |
| 19093 | Greek mathematics is wholly sensory, where ours is wholly inferential [Macbeth] |
| 14712 | A sentence is a priori if no possible way the world might actually be could make it false [Chalmers] |
| 19091 | Seeing reality mathematically makes it an object of thought, not of experience [Macbeth] |
| 19088 | For pragmatists a concept means its consequences [Macbeth] |