proposition: Lemma prime20873 : prime 20873.
proof: Proof. apply (Pocklington_refl (Pock_certif 20873 3 ((2609, 1)::(2,3)::nil) 1) ((Proof_certif 2609 prime2609) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock