proposition: Lemma prime863 : prime 863.
proof: Proof. apply (Pocklington_refl (Pock_certif 863 5 ((431, 1)::(2,1)::nil) 1) ((Proof_certif 431 prime431) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock