proposition: Lemma prime20173 : prime 20173.
proof: Proof. apply (Pocklington_refl (Pock_certif 20173 2 ((41, 1)::(2,2)::nil) 1) ((Proof_certif 41 prime41) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock