`BookProof.PermSector.good_permOp` : ∀ (n : ℕ) (σ : Equiv.Perm (Fin n)), Good Hs D₂ A D n (permOp (domSpace Hs D₂) n σ) (permOp Hs n σ)

Initializing...

`BookProof.PermSector.good_permOp` : ∀ (n : ℕ) (σ : Equiv.Perm (Fin n)), Good Hs D₂ A D n (permOp (domSpace Hs D₂) n σ) (permOp Hs n σ) · Prove2Me