proposition: Lemma prime557 : prime 557.
proof: Proof. apply (Pocklington_refl (Pock_certif 557 2 ((139, 1)::(2,2)::nil) 1) ((Proof_certif 139 prime139) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock