fact: Definition OK (s: signature) := fun c: code => correctness_statement s c.
imports: Coq(List PArith Relations Lia) additions(Monoid_def Monoid_instances Strategies) Coq(Recdef Wf_nat) additions(More_on_positive Pow Euclidean_Chains Dichotomy BinaryStrat) Coq(NArith)