fact: Definition unifiable_N r1 r2 := iter_step N (mk_problem (ren_cap r1 r2) (lhs r2)).
imports: Coq(Lia Compare_dec) CoLoR(ADecomp AUnif ARenCap ATrs ListUtil RelUtil AGraph LogicUtil AShift ACalls BoolUtil ADuplicateSymb ListDec EqUtil AHDE)