proposition: Fact Zp_invert_spec1 : Zp_invert Zp = Zp.
proof: Proof. apply (proj2_sig (Zp_invert_full Zp)); trivial. Qed.
imports: Arith Lia ZArith List Permutation Eqdep_dec Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list gcd prime binomial sums php) Undecidability.H10.ArithLibs(matrix)