proposition: Lemma prime18311 : prime 18311.
proof: Proof. apply (Pocklington_refl (Pock_certif 18311 13 ((1831, 1)::(2,1)::nil) 1) ((Proof_certif 1831 prime1831) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock