fact: Variable (ak am k l m : nat) (H1 : m = (l*k)%nat) (H2 : (ak*ak <> 0)%nat).
imports: Arith Lia ZArith Undecidability.Shared.Libs.DLW.Utils(utils_tac gcd prime crt binomial sums) Undecidability.H10.ArithLibs(matrix Zp)