proposition: Lemma prime1987 : prime 1987.
proof: Proof. apply (Pocklington_refl (Pock_certif 1987 2 ((331, 1)::(2,1)::nil) 1) ((Proof_certif 331 prime331) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock