src/HOL/HOLCF/Algebraic.thy
changeset 81584 a065d8bcfd3d
parent 81583 b6df83045178
child 81644 325593146d19
--- a/src/HOL/HOLCF/Algebraic.thy	Thu Dec 12 15:45:29 2024 +0100
+++ b/src/HOL/HOLCF/Algebraic.thy	Thu Dec 12 16:57:06 2024 +0100
@@ -24,7 +24,7 @@
 
 instance fin_defl :: (bifinite) po
 using type_definition_fin_defl below_fin_defl_def
-by (rule typedef_po)
+by (rule typedef_po_class)
 
 lemma finite_deflation_Rep_fin_defl: "finite_deflation (Rep_fin_defl d)"
 using Rep_fin_defl by simp