Kind/book/List.Concatenator.concat.kind2
2024-02-10 12:25:48 -03:00

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List.Concatenator.concat
: ∀(T: *)
∀(xs: (List.Concatenator T))
∀(ys: (List.Concatenator T))
(List.Concatenator T)
= λT λxs λys
λnil (xs (ys nil))