7 ideas
14965 | Truth rests on Elimination ('A' is true → A) and Introduction (A → 'A' is true) [Gupta] |
14968 | A weakened classical language can contain its own truth predicate [Gupta] |
14964 | The Liar reappears, even if one insists on propositions instead of sentences [Gupta] |
14969 | Strengthened Liar: either this sentence is neither-true-nor-false, or it is not true [Gupta] |
10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
19699 | A Gettier case is a belief which is true, and its fallible justification involves some luck [Hetherington] |
10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |