proposition: Lemma prime21977 : prime 21977.
proof: Proof. apply (Pocklington_refl (Pock_certif 21977 3 ((41, 1)::(2,3)::nil) 1) ((Proof_certif 41 prime41) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock