1.1 --- a/src/Provers/Arith/fast_lin_arith.ML	Tue May 07 14:24:30 2002 +0200
     1.2 +++ b/src/Provers/Arith/fast_lin_arith.ML	Tue May 07 14:26:32 2002 +0200
     1.3 @@ -107,7 +107,8 @@
     1.4               {add_mono_thms= add_mono_thms2, mult_mono_thms= mult_mono_thms2, inj_thms= inj_thms2,
     1.5                lessD = lessD2, simpset = simpset2}) =
     1.6      {add_mono_thms = Drule.merge_rules (add_mono_thms1, add_mono_thms2),
     1.7 -     mult_mono_thms = gen_merge_lists' (eq_thm o pairself fst) mult_mono_thms1 mult_mono_thms2,
     1.8 +     mult_mono_thms = gen_merge_lists' (Drule.eq_thm_prop o pairself fst)
     1.9 +       mult_mono_thms1 mult_mono_thms2,
    1.10       inj_thms = Drule.merge_rules (inj_thms1, inj_thms2),
    1.11       lessD = Drule.merge_rules (lessD1, lessD2),
    1.12       simpset = Simplifier.merge_ss (simpset1, simpset2)};