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11 votes

intuitionistic interpretation of classical logic

The translation you refer to is just the double-negative. That is, C is classically derivable if and only if not-not-C is intuitionistically derivable. What this fact shows is that the use of the la …
Joel David Hamkins's user avatar
7 votes

How strong is Cantor-Bernstein-Schröder?

The Myhill isomorphism theorem is often taken as a computability-theoretic version of the Cantor-Schroder-Bernstein theorem, and this can be interpreted as a version of the result for constructive log …
Joel David Hamkins's user avatar