proposition: Lemma prime18839 : prime 18839.
proof: Proof. apply (Pocklington_refl (Pock_certif 18839 7 ((9419, 1)::(2,1)::nil) 1) ((Proof_certif 9419 prime9419) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock