diff -r 42501869b9b8 -r 17d807bf28fb src/Tools/isac/Build_Isac.thy
--- a/src/Tools/isac/Build_Isac.thy	Sun Feb 09 16:21:26 2020 +0100
+++ b/src/Tools/isac/Build_Isac.thy	Sun Feb 09 16:55:41 2020 +0100
@@ -116,7 +116,7 @@
 ML \<open>Input_Descript.is_reall_dsc; (*from "ProgLang/scrtools.sml" *)\<close>
 ML \<open>Math_Engine.me;\<close>
 text \<open>contextthyOK2xml; (*"xmlsrc/interface-xml.sml"*)\<close>
-ML \<open>list_rls\<close>
+ML \<open>prog_expr\<close>
                                                          
 ML \<open>Prog_Expr.eval_occurs_in\<close>
 ML \<open>@{thm last_thmI}\<close>