`BookProof.PermSector.inclPow_permOp` (n : ℕ) (σ : Equiv.Perm (Fin n)) (t : ((domSpace Hs D₂).pow n).carrier) : inclPow Hs D₂ n (permOp (domSpace Hs D₂) n σ t) = permOp Hs n σ (inc

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`BookProof.PermSector.inclPow_permOp` (n : ℕ) (σ : Equiv.Perm (Fin n)) (t : ((domSpace Hs D₂).pow n).carrier) : inclPow Hs D₂ n (permOp (domSpace Hs D₂) n σ t) = permOp Hs n σ (inc · Prove2Me