`BookProof.PermSector.mem_fermionicSector_iff` (n : ℕ) {x : (Hs.pow n).carrier} : x ∈ sector (fermionicProj Hs n) ↔ ∀ σ : Equiv.Perm (Fin n), permOp Hs n σ x = ((Equiv.Perm.sign σ

Initializing...

`BookProof.PermSector.mem_fermionicSector_iff` (n : ℕ) {x : (Hs.pow n).carrier} : x ∈ sector (fermionicProj Hs n) ↔ ∀ σ : Equiv.Perm (Fin n), permOp Hs n σ x = ((Equiv.Perm.sign σ · Prove2Me