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Theorems · Definition · group theory

Equiv.Perm.ofSubtype

{α : Type u_4} → {p : α → Prop} → [DecidablePred p] → Equiv.Perm (Subtype p) →* Equiv.Perm α

The inclusion map of permutations on a subtype of α into permutations of α, fixing the other points.

Defined in
Mathlib.Algebra.Group.End
Cited by
41 results in Mathlib
Foundations
Depth 28 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DecidablePred

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