proposition: Lemma prime20123 : prime 20123.
proof: Proof. apply (Pocklington_refl (Pock_certif 20123 2 ((10061, 1)::(2,1)::nil) 1) ((Proof_certif 10061 prime10061) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock