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src/HOL/Orderings.thy
changeset 23417 42c1a89b45c1
parent 23263 0c227412b285
child 23881 851c74f1bb69 
--- a/src/HOL/Orderings.thy	Tue Jun 19 18:00:49 2007 +0200
+++ b/src/HOL/Orderings.thy	Tue Jun 19 23:15:23 2007 +0200
@@ -742,7 +742,7 @@
   "(x::'a::order) >= y ==> y >= z ==> x >= z"
   "(x::'a::order) > y ==> y >= z ==> x > z"
   "(x::'a::order) >= y ==> y > z ==> x > z"
-  "(a::'a::order) > b ==> b > a ==> ?P"
+  "(a::'a::order) > b ==> b > a ==> P"
   "(x::'a::order) > y ==> y > z ==> x > z"
   "(a::'a::order) >= b ==> a ~= b ==> a > b"
   "(a::'a::order) ~= b ==> a >= b ==> a > b"
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