13 ideas
23025 | Philosophers should be more inductive, and test results by their conclusions, not their self-evidence [Russell] |
17892 | For clear questions posed by reason, reason can also find clear answers [Gödel] |
13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
9188 | Gödel proved that first-order logic is complete, and second-order logic incomplete [Gödel, by Dummett] |
10620 | Originally truth was viewed with total suspicion, and only demonstrability was accepted [Gödel] |
17883 | Gödel's Theorems did not refute the claim that all good mathematical questions have answers [Gödel, by Koellner] |
17885 | Gödel eventually hoped for a generalised completeness theorem leaving nothing undecidable [Gödel, by Koellner] |
10614 | The real reason for Incompleteness in arithmetic is inability to define truth in a language [Gödel] |
13590 | Essences can make sense in a particular context or enquiry, as the most basic predicates [Quine] |
8483 | Necessity is relative to context; it is what is assumed in an inquiry [Quine] |
13589 | Possible worlds are a way to dramatise essentialism, and yet they presuppose essentialism [Quine] |
13588 | A rigid designator (for all possible worlds) picks out an object by its essential traits [Quine] |
13592 | Beliefs can be ascribed to machines [Quine] |