15 ideas
19066 | Philosophy aims to understand the world, through ordinary experience and science [Dummett] |
19067 | A successful proof requires recognition of truth at every step [Dummett] |
19060 | Truth-tables are dubious in some cases, and may be a bad way to explain connective meaning [Dummett] |
11066 | Deduction is justified by the semantics of its metalanguage [Dummett, by Hanna] |
19058 | Syntactic consequence is positive, for validity; semantic version is negative, with counterexamples [Dummett] |
19063 | Beth trees show semantics for intuitionistic logic, in terms of how truth has been established [Dummett] |
19059 | In standard views you could replace 'true' and 'false' with mere 0 and 1 [Dummett] |
19062 | Classical two-valued semantics implies that meaning is grasped through truth-conditions [Dummett] |
19065 | Soundness and completeness proofs test the theory of meaning, rather than the logic theory [Dummett] |
7458 | The reliability of witnesses depends on whether they benefit from their observations [Laplace, by Hacking] |
19061 | An explanation is often a deduction, but that may well beg the question [Dummett] |
3441 | If a supreme intellect knew all atoms and movements, it could know all of the past and the future [Laplace] |
19064 | Holism is not a theory of meaning; it is the denial that a theory of meaning is possible [Dummett] |
12156 | Aesthetics has risen and fallen with Romanticism [Scruton] |
12158 | Aesthetic experience informs the world with the values of the observer [Scruton] |