1.1 --- a/src/Tools/isac/Build_Isac.thy	Wed Apr 22 14:36:27 2020 +0200
     1.2 +++ b/src/Tools/isac/Build_Isac.thy	Wed Apr 22 16:01:53 2020 +0200
     1.3 @@ -134,7 +134,7 @@
     1.4  ML \<open>@{thm last_thmI}\<close>
     1.5  ML \<open>@{thm Querkraft_Belastung}\<close>
     1.6  
     1.7 -ML \<open>Check_Unique.check_guhs_unique := false;\<close>
     1.8 +ML \<open>Check_Unique.on := false;\<close>
     1.9  ML \<open>writeln "**** isac kernel = math-engine + Knowledge complete ******"\<close>
    1.10  ML \<open>@{theory "Isac_Knowledge"}\<close>
    1.11  ML \<open>(*get_the ["IsacKnowledge", "Diff", "Theorems", "diff_sin_chain"]