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Use this tag for questions about dependent types, which are families of types which vary over elements of another type.

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2 answers
256 views

How to abstract over function arity in Lean and Coq?

Given types $A, B$ I would like to express the type of all functions $f$ for which there exists an $n \in ℕ$ such that $f$ has type $A^n \to B$. And possibly in such a way, that for $a_1, \dots, a_n : …
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