src/Pure/Isar/proof_context.ML
changeset 80632 3a196e63a80d
parent 80329 d90a96894644
child 80739 60801e5fae26
--- a/src/Pure/Isar/proof_context.ML	Sat Aug 03 13:12:58 2024 +0200
+++ b/src/Pure/Isar/proof_context.ML	Sun Aug 04 12:21:13 2024 +0200
@@ -608,7 +608,7 @@
 in
 
 val read_arity =
-  prep_arity ((#1 o dest_Type) oo read_type_name {proper = true, strict = true}) Syntax.read_sort;
+  prep_arity (dest_Type_name oo read_type_name {proper = true, strict = true}) Syntax.read_sort;
 
 val cert_arity = prep_arity (K I) (Type.cert_sort o tsig_of);