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Theorems · Theorem · combinatorics

List.map_append_flatMap_perm

∀ {α : Type u_1} {β : Type u_2} (l : List α) (f : α → β) (g : α → List β),
  (List.map f l ++ List.flatMap g l).Perm (List.flatMap (fun x => f x :: g x) l)
Defined in
Mathlib.Data.List.Perm.Basic
Cited by
1 results in Mathlib
Foundations
Depth 15 from the axioms · uses propext
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List.offDiag_cons_perm · cited by 1List.offDiag_cons_permList.flatMap_append_perm · cited by 4List.flatMap_append_permList.map_append_flatMap_permCITED BYCITES

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