`BookProof.PermSector.signRep_commutes_sectorDom` (n : ℕ) (σ : Equiv.Perm (Fin n)) (x : sectorDom Hs D₂ n) : sectorOp Hs D₂ A n ⟨(signRep Hs n).act σ (x : (Hs.pow n).carrier), sign

Initializing...

`BookProof.PermSector.signRep_commutes_sectorDom` (n : ℕ) (σ : Equiv.Perm (Fin n)) (x : sectorDom Hs D₂ n) : sectorOp Hs D₂ A n ⟨(signRep Hs n).act σ (x : (Hs.pow n).carrier), sign · Prove2Me