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src/HOL/NthRoot.thy
changeset 35216 7641e8d831d2
parent 31880 6fb86c61747c
child 44289 d81d09cdab9c 
--- a/src/HOL/NthRoot.thy	Thu Feb 18 13:29:59 2010 -0800
+++ b/src/HOL/NthRoot.thy	Thu Feb 18 14:21:44 2010 -0800
@@ -566,7 +566,7 @@
 done
 
 lemma lemma_real_divide_sqrt_less: "0 < u ==> u / sqrt 2 < u"
-by (simp add: divide_less_eq mult_compare_simps)
+by (simp add: divide_less_eq)
 
 lemma four_x_squared: 
   fixes x::real
isabelle