src/HOL/Tools/SMT/z3_replay_rules.ML
changeset 74561 8e6c973003c8
parent 58061 3d060f43accb
child 78025 51d135645d70
--- a/src/HOL/Tools/SMT/z3_replay_rules.ML	Wed Oct 20 17:11:46 2021 +0200
+++ b/src/HOL/Tools/SMT/z3_replay_rules.ML	Wed Oct 20 18:13:17 2021 +0200
@@ -16,7 +16,6 @@
 (
   type T = thm Net.net
   val empty = Net.empty
-  val extend = I
   val merge = Net.merge Thm.eq_thm
 )