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src/HOL/Tools/Qelim/cooper.ML
changeset 33039 5018f6a76b3f
parent 33035 15eab423e573
parent 33038 8f9594c31de4
child 33042 ddf1f03a9ad9 
--- a/src/HOL/Tools/Qelim/cooper.ML	Wed Oct 21 16:41:22 2009 +1100
+++ b/src/HOL/Tools/Qelim/cooper.ML	Wed Oct 21 08:16:25 2009 +0200
@@ -308,7 +308,7 @@
   | Const (@{const_name Not},_)$_ => h (acc,dacc) (Thm.dest_arg t)
   | _ => (acc, dacc)
   val (cs,ds) = h ([],[]) p
-  val l = Integer.lcms (cs union ds)
+  val l = Integer.lcms (union (op =) (cs, ds))
   fun cv k ct =
     let val (tm as b$s$t) = term_of ct
     in ((HOLogic.eq_const bT)$tm$(b$(linear_cmul k s)$(linear_cmul k t))
isabelle