17 ideas
17892 | For clear questions posed by reason, reason can also find clear answers [Gödel] |
15163 | The interest of quantified modal logic is its metaphysical necessity and essentialism [Soames] |
9188 | Gödel proved that first-order logic is complete, and second-order logic incomplete [Gödel, by Dummett] |
15158 | Indefinite descriptions are quantificational in subject position, but not in predicate position [Soames] |
15157 | Recognising the definite description 'the man' as a quantifier phrase, not a singular term, is a real insight [Soames] |
15156 | The universal and existential quantifiers were chosen to suit mathematics [Soames] |
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] |
21710 | We know a universal in 'yellow differs from blue' or 'yellow resembles blue less than green does' [Russell] |
15161 | There are more metaphysically than logically necessary truths [Soames] |
15162 | We understand metaphysical necessity intuitively, from ordinary life [Soames] |
8854 | My 'acquaintance' with sense-data is nothing like my knowing New York [Williams,M on Russell] |
15152 | To study meaning, study truth conditions, on the basis of syntax, and representation by the parts [Soames] |
15153 | Tarski's account of truth-conditions is too weak to determine meanings [Soames] |
15154 | We should use cognitive states to explain representational propositions, not vice versa [Soames] |