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src/HOL/Analysis/Inner_Product.thy
changeset 67399 eab6ce8368fa
parent 66486 ffaaa83543b2
child 67962 0acdcd8f4ba1 
--- a/src/HOL/Analysis/Inner_Product.thy	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Analysis/Inner_Product.thy	Wed Jan 10 15:25:09 2018 +0100
@@ -239,7 +239,7 @@
 instantiation real :: real_inner
 begin
 
-definition inner_real_def [simp]: "inner = op *"
+definition inner_real_def [simp]: "inner = ( * )"
 
 instance
 proof
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