display all the ideas for this combination of texts
3 ideas
16334 | In Weak Kleene logic there are 'gaps', neither true nor false if one component lacks a truth value [Halbach] |
16335 | In Strong Kleene logic a disjunction just needs one disjunct to be true [Halbach] |
16309 | Every attempt at formal rigour uses some set theory [Halbach] |