proposition: Lemma prime21487 : prime 21487.
proof: Proof. apply (Pocklington_refl (Pock_certif 21487 3 ((3581, 1)::(2,1)::nil) 1) ((Proof_certif 3581 prime3581) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock