proposition: Lemma prime8423 : prime 8423.
proof: Proof. apply (Pocklington_refl (Pock_certif 8423 5 ((4211, 1)::(2,1)::nil) 1) ((Proof_certif 4211 prime4211) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock