6 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] |
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
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] |
21650 | No language is semantically referential; it all occurs at the level of thought or utterance [Pietroski, by Hofweber] |