src/HOL/Library/Cardinality.thy
changeset 81142 6ad2c917dd2e
parent 80914 d97fdabd9e2b
child 81281 c1e418161ace
--- a/src/HOL/Library/Cardinality.thy	Wed Oct 09 22:01:33 2024 +0200
+++ b/src/HOL/Library/Cardinality.thy	Wed Oct 09 23:38:29 2024 +0200
@@ -30,7 +30,7 @@
 
 subsection \<open>Cardinalities of types\<close>
 
-syntax "_type_card" :: "type => nat" (\<open>(1CARD/(1'(_')))\<close>)
+syntax "_type_card" :: "type => nat"  (\<open>(\<open>indent=1 notation=\<open>mixfix CARD\<close>\<close>CARD/(1'(_')))\<close>)
 
 syntax_consts "_type_card" == card