# HG changeset patch
# User desharna
# Date 1742815035 -3600
#      Mon Mar 24 12:17:15 2025 +0100
# Node ID e2d7cf72c5523a594392177a218af17a9463b6dc
# Parent  fcd9b94def4d3c7c0d3c1dde56295c7d34974b17
fixed broken proof

diff --git a/thys/Levy_Prokhorov_Metric/Prokhorov_Theorem.thy b/thys/Levy_Prokhorov_Metric/Prokhorov_Theorem.thy
--- a/thys/Levy_Prokhorov_Metric/Prokhorov_Theorem.thy
+++ b/thys/Levy_Prokhorov_Metric/Prokhorov_Theorem.thy
@@ -245,7 +245,7 @@
       have T_cont: "continuous_map (subtopology LPm.mtopology ?N) (subtopology Cb' B) T"
         unfolding continuous_map_in_subtopology
       proof
-        show "T ` topspace (subtopology LPm.mtopology ?N) \<subseteq> B"
+        show "T \<in> topspace (subtopology LPm.mtopology ?N) \<rightarrow> B"
           unfolding B_def Cb'_def
         proof safe
           fix N