Mathlib Map

Theorems · Theorem · order theory

SignType.map_cast

∀ {α : Type u_2} {β : Type u_3} {F : Type u_4} [inst : AddGroupWithOne α] [inst_1 : One β]
  [inst_2 : SubtractionMonoid β] [inst_3 : FunLike F α β] [AddMonoidHomClass F α β] [OneHomClass F α β] (f : F)
  (s : SignType), f ↑s = ↑s

Casting out of SignType respects composition with suitable bundled homomorphism types.

Defined in
Mathlib.Data.Sign.Defs
Cited by
1 results in Mathlib
Foundations
Depth 12 from the axioms · uses propext
Assumes
AddGroupWithOneOneSubtractionMonoidFunLikeAddMonoidHomClassOneHomClass

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