I am not particularly knowledgeable in either lambda calculus or category theory, but I am starting to learn Haskell so I would like to ask: are there connections between category theory and lambda calculus? Could anyone describe those connections in layman's terms?
2026-03-28 02:41:08.1774665668
lambda calculus and category theory
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Every model of a typed lambda calculus is a cartesian closed category.
Every cartesian closed category can be expressed as a typed lambda calculus (with the objects as types and arrows as terms).
Thus, typed lambda calculus and cartesian closed category are essentially the same concept.