diff -r 1070be576372 -r 3cb6f3281ef1 src/ZF/ROOT
--- a/src/ZF/ROOT	Sun Apr 23 23:10:33 2017 +0200
+++ b/src/ZF/ROOT	Sun Apr 23 23:49:14 2017 +0200
@@ -198,7 +198,7 @@
   options [document = false]
   theories Confluence
 
-session "ZF-UNITY" (timing ZF) in UNITY = ZF +
+session "ZF-UNITY" (timing ZF) in UNITY = "ZF-Induct" +
   description {*
     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     Copyright   1998  University of Cambridge