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src/HOL/Analysis/Lipschitz.thy
changeset 75455 91c16c5ad3e9
parent 71698 b69dc6bcbea3
child 78131 1cadc477f644 
--- a/src/HOL/Analysis/Lipschitz.thy	Wed May 11 10:42:24 2022 +0200
+++ b/src/HOL/Analysis/Lipschitz.thy	Tue May 17 14:10:14 2022 +0100
@@ -623,7 +623,7 @@
         by (simp add: dist_commute)
       subgoal
         using \<open>0 < u\<close> \<open>b \<in> X\<close>
-        by (simp add: )
+        by simp
       done
     also have "(L + 1) * dist y b \<le> e / 2"
       using le1 \<open>0 \<le> L\<close> by simp
isabelle