Yup! Lean is based on a variant of the Calculus of Constructions, which is in tu... | Hacker News

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		rck 6 months ago \| parent \| context \| favorite \| on: Sequent Calculus and Notation – Par Part 1 Yup! Lean is based on a variant of the Calculus of Constructions, which is in turn based on strong connections between (intuitionistic) natural deduction and type theory. The connection is incredibly beautiful: https://en.wikipedia.org/wiki/Calculus_of_constructions

hoping1 6 months ago [–]

Ah heck, I should have added a section on PTSs, maybe I still will or maybe that will be standalone later. It really is gorgeous stuff!!

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