fact: Definition gt_args_lex (gt : relation Te) r : relation call := Rof (lexv (opt aeq) (opt gt)) (fun c => Vopt_filter (filter r) (call_args c)).
imports: Coq(Morphisms Basics Lexicographic_Product) CoLoR(LogicUtil LSimple VecUtil RelUtil VecOrd EqUtil Lexico SN NatUtil)