proposition: Lemma prime20849 : prime 20849.
proof: Proof. apply (Pocklington_refl (Pock_certif 20849 3 ((1303, 1)::(2,4)::nil) 1) ((Proof_certif 1303 prime1303) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock