ngl assumed this was about supply management or purple drank > Propositions as types is a duality linking the logical signs ∀ , ∃ , → , ∧ , ∨ with the type co

ngl assumed this was about supply management or purple drank > Propositions as types is a duality linking the logical signs ∀ , ∃ , → , ∧ , ∨ with the type constructors Π , Σ , → , × , + . It is beautiful, fascinating and theoretically fruitful, but it is not the only game out there. I have seen “proof assistant”