diff -r d5e9bcb384ec -r 233cf2b97d1a thys4/posix/FBound.thy
--- a/thys4/posix/FBound.thy	Wed Oct 12 14:08:06 2022 +0100
+++ b/thys4/posix/FBound.thy	Sun Nov 06 23:05:47 2022 +0000
@@ -640,7 +640,7 @@
   sorry
 
 
-lemma compl_rrewrite_down1:
+lemma compl_rrewrite_down1_1:
   shows "\<lbrakk>r1 \<le>1 r2; s_complexity r1 = s_complexity r2 \<rbrakk> \<Longrightarrow> r1 = r2"
   using compl_rrewrite_down nat_less_le by auto