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src/HOL/AxClasses/Semigroups.thy
changeset 10681 ec76e17f73c5
parent 10134 537206cc738f
child 12338 de0f4a63baa5 
--- a/src/HOL/AxClasses/Semigroups.thy	Fri Dec 15 17:59:30 2000 +0100
+++ b/src/HOL/AxClasses/Semigroups.thy	Fri Dec 15 17:59:45 2000 +0100
@@ -1,6 +1,7 @@
 (*  Title:      HOL/AxClasses/Semigroups.thy
     ID:         $Id$
     Author:     Markus Wenzel, TU Muenchen
+    License:    GPL (GNU GENERAL PUBLIC LICENSE)
 *)
 
 theory Semigroups = Main:
isabelle