fact: Definition baut_bool_pairing_ZZ_Z_symm_inv Y Z W : baut_bool_pairing_ZZ_Z_symm_map Y Z W o baut_bool_pairing_ZZ_Z_symm_map Z Y W == idmap.
imports: HoTT.Basics HoTT.Types Constant HoTT.Truncations.Core HoTT.Truncations.Connectedness Spaces.BAut Pointed.Core