src/HOL/Nominal/nominal_inductive2.ML
changeset 80709 e6f026505c5b
parent 80703 cc4ecaa8e96e
child 81516 31b05aef022d
--- a/src/HOL/Nominal/nominal_inductive2.ML	Wed Aug 14 18:59:49 2024 +0200
+++ b/src/HOL/Nominal/nominal_inductive2.ML	Wed Aug 14 21:23:22 2024 +0200
@@ -46,6 +46,7 @@
 fun mk_perm_bool_simproc names =
   Simplifier.make_simproc \<^context>
    {name = "perm_bool",
+    kind = Simproc,
     lhss = [\<^term>\<open>perm pi x\<close>],
     proc = fn _ => fn _ => fn ct =>
       (case Thm.term_of ct of