src/HOL/Probability/Borel.thy
changeset 33657 a4179bf442d1
parent 33536 fd28b7399f2b
child 35028 108662d50512
--- a/src/HOL/Probability/Borel.thy	Thu Nov 12 14:32:21 2009 -0800
+++ b/src/HOL/Probability/Borel.thy	Fri Nov 13 14:14:04 2009 +0100
@@ -73,7 +73,7 @@
     with w have "real(Suc(natceiling(inverse(g w - f w)))) > inverse(g w - f w)"
       by (metis lessI order_le_less_trans real_natceiling_ge real_of_nat_less_iff)       hence "inverse(real(Suc(natceiling(inverse(g w - f w)))))
              < inverse(inverse(g w - f w))" 
-      by (metis less_iff_diff_less_0 less_imp_inverse_less linorder_neqE_ordered_idom nz positive_imp_inverse_positive real_le_anti_sym real_less_def w)
+      by (metis less_iff_diff_less_0 less_imp_inverse_less linorder_neqE_ordered_idom nz positive_imp_inverse_positive real_le_antisym real_less_def w)
     hence "inverse(real(Suc(natceiling(inverse(g w - f w))))) < g w - f w"
       by (metis inverse_inverse_eq order_less_le_trans real_le_refl) 
     thus "\<exists>n. f w \<le> g w - inverse(real(Suc n))" using w