# HG changeset patch
# User desharna
# Date 1742821788 -3600
# Node ID fce6872bd4d2fddf06cde0d2810158b94cdd6df4
# Parent  06c1c163b66c3e281e29ec34bff09c1798f680c6
tuned variable names

diff -r 06c1c163b66c -r fce6872bd4d2 src/HOL/Relation.thy
--- a/src/HOL/Relation.thy	Mon Mar 24 14:09:05 2025 +0100
+++ b/src/HOL/Relation.thy	Mon Mar 24 14:09:48 2025 +0100
@@ -216,7 +216,7 @@
 lemma reflp_on_mono[mono]: "A \<subseteq> B \<Longrightarrow> R \<le> Q \<Longrightarrow> reflp_on B R \<le> reflp_on A Q"
   by (simp add: reflp_on_mono_strong le_fun_def)
 
-lemma reflp_on_subset: "reflp_on A R \<Longrightarrow> B \<subseteq> A \<Longrightarrow> reflp_on B R"
+lemma reflp_on_subset: "reflp_on B R \<Longrightarrow> A \<subseteq> B \<Longrightarrow> reflp_on A R"
   using reflp_on_mono_strong .
 
 lemma reflp_on_image: "reflp_on (f ` A) R \<longleftrightarrow> reflp_on A (\<lambda>a b. R (f a) (f b))"