fact: Definition F_decompose : forall (u : exc_pb_ok), (forall u' : exc_pb_ok , lt_exc_pb_ok u' u -> exc unification_problem) -> exc unification_problem.
imports: Coq(Arith Wf_nat Wellfounded List Multiset Relations) CoLoR(closure decidable_set ordered_set more_list list_permut list_set list_sort dickson term_spec term)