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It's the other way around, classical logic is a restriction of intuitionistic logic that arises when you affirm the Law of Excluded Middle.
by analbumcover 7y ago
It's the other way around, classical logic is a restriction of intuitionistic logic that arises when you affirm the Law of Excluded Middle.
- ironSkillet 7y agoI think you're both right in a certain sense. The set of provable statements in intuitionist logic is a subset of what is provable in classical logic, which is what I believe the parent was referring to.
- analbumcover 7y agoYou're certainly right that any constructively provable statement is classically provable, that follows from intuitionism/constructivism generalizing classical logic. But I don't see how we could interpret the following to mean that. > you can do intuitionist mathematics in classical mathematics