proposition: Lemma compare_fold : compare = compare_folded.
proof: Proof. lazy beta iota delta [iter_sym dom_op dom_t comparen_m]. reflexivity. Qed.
imports: Bool BigNumPrelude ZArith Lia Nnat Ndigits CyclicAxioms DoubleType Nbasic Wf_nat StreamMemo NSig NMake_gen