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src/HOL/Nonstandard_Analysis/HLog.thy
changeset 80914 d97fdabd9e2b
parent 80528 6dec6b1f31f5 
--- a/src/HOL/Nonstandard_Analysis/HLog.thy	Fri Sep 20 19:07:10 2024 +0200
+++ b/src/HOL/Nonstandard_Analysis/HLog.thy	Fri Sep 20 19:51:08 2024 +0200
@@ -9,7 +9,7 @@
   imports HTranscendental
 begin
 
-definition powhr :: "hypreal \<Rightarrow> hypreal \<Rightarrow> hypreal"  (infixr "powhr" 80)
+definition powhr :: "hypreal \<Rightarrow> hypreal \<Rightarrow> hypreal"  (infixr \<open>powhr\<close> 80)
   where [transfer_unfold]: "x powhr a = starfun2 (powr) x a"
 
 definition hlog :: "hypreal \<Rightarrow> hypreal \<Rightarrow> hypreal"
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