proposition: Lemma prime20393 : prime 20393.
proof: Proof. apply (Pocklington_refl (Pock_certif 20393 3 ((2549, 1)::(2,3)::nil) 1) ((Proof_certif 2549 prime2549) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock