14 Answers votes newest views recent 10What is the manner of inconsistency of Girard’s paradox in Martin Lof type theory 7Choice vs. countable choice 5Replacing logician-constructive with combinatorist-constructive? 5Extensional theorems mostly used intensionally 5Can a typing judgment admit essentially different derivations? (2) 5Condition of possibility = Co-Implication 4Intro to automatic theorem proving / logical foundations? 4Do you know any good introductory resource on sequent calculus? 3Is no proof based on “tertium non datur” sufficient any more after Gödel? 3[solved] sequent calculus as programming language 3What is the proper name for “compact closed” multiplicative intuitionistic linear logic? 3What are the algebras for the double dualization monad? 2Is there any proof assistant based on first-order logic? 1What do I call type theory without Curry-Howard?