proposition: Lemma prime20743 : prime 20743.
proof: Proof. apply (Pocklington_refl (Pock_certif 20743 3 ((3457, 1)::(2,1)::nil) 1) ((Proof_certif 3457 prime3457) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock