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3 ideas
15430 | Is classical logic a part of intuitionist logic, or vice versa? [Burgess] |
Full Idea: From one point of view intuitionistic logic is a part of classical logic, missing one axiom, from another classical logic is a part of intuitionistic logic, missing two connectives, intuitionistic v and → | |
From: John P. Burgess (Philosophical Logic [2009], 6.4) |
15431 | It is still unsettled whether standard intuitionist logic is complete [Burgess] |
Full Idea: The question of the completeness of the full intuitionistic logic for its intended interpretation is not yet fully resolved. | |
From: John P. Burgess (Philosophical Logic [2009], 6.9) |
15429 | Relevance logic's → is perhaps expressible by 'if A, then B, for that reason' [Burgess] |
Full Idea: The relevantist logician's → is perhaps expressible by 'if A, then B, for that reason'. | |
From: John P. Burgess (Philosophical Logic [2009], 5.8) |