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Theorems · Definition · group theory

Equiv.Perm.support

{α : Type u_1} → [DecidableEq α] → [Fintype α] → Equiv.Perm α → Finset α

The Finset of nonfixed points of a permutation.

Defined in
Mathlib.GroupTheory.Perm.Support
Cited by
230 results in Mathlib
Foundations
Depth 26 from the axioms, rests on 211 definitions · uses propext, Quot.sound
Assumes
DecidableEqFintype

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Cited by242

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