proposition: Lemma prime42221 : prime 42221.
proof: Proof. apply (Pocklington_refl (Pock_certif 42221 2 ((2111, 1)::(2,2)::nil) 1) ((Proof_certif 2111 prime2111) :: (Proof_certif 2 prime2) :: nil)). enc (refl_equal true). Qed.
imports: List ZArith Coqprime(ZCAux) Pock