proposition: Lemma prime20717 : prime 20717.
proof: Proof. apply (Pocklington_refl (Pock_certif 20717 2 ((5179, 1)::(2,2)::nil) 1) ((Proof_certif 5179 prime5179) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock