src/HOL/Nonstandard_Analysis/StarDef.thy
changeset 64438 f91cae6c1d74
parent 64435 c93b0e6131c3
child 64600 86e2f2208a58
--- a/src/HOL/Nonstandard_Analysis/StarDef.thy	Tue Nov 01 00:55:52 2016 +0100
+++ b/src/HOL/Nonstandard_Analysis/StarDef.thy	Tue Nov 01 01:04:53 2016 +0100
@@ -20,7 +20,7 @@
   apply (rule infinite_UNIV_nat)
   done
 
-interpretation FreeUltrafilterNat: freeultrafilter FreeUltrafilterNat
+interpretation FreeUltrafilterNat: freeultrafilter \<U>
   by (rule freeultrafilter_FreeUltrafilterNat)