proposition: Lemma prime21247 : prime 21247.
proof: Proof. apply (Pocklington_refl (Pock_certif 21247 3 ((3541, 1)::(2,1)::nil) 1) ((Proof_certif 3541 prime3541) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock