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src/HOL/Tools/SMT/smtlib_interface.ML
changeset 74561 8e6c973003c8
parent 74382 8d0294d877bd
child 74817 1fd8705503b4 
--- a/src/HOL/Tools/SMT/smtlib_interface.ML	Wed Oct 20 17:11:46 2021 +0200
+++ b/src/HOL/Tools/SMT/smtlib_interface.ML	Wed Oct 20 18:13:17 2021 +0200
@@ -75,7 +75,6 @@
 (
   type T = (int * (term list -> string option)) list
   val empty = []
-  val extend = I
   fun merge data = Ord_List.merge fst_int_ord data
 )
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