src/HOL/Real.thy
changeset 54262 326fd7103cb4
parent 54258 adfc759263ab
child 54263 c4159fe6fa46
     1.1 --- a/src/HOL/Real.thy	Tue Nov 05 09:45:00 2013 +0100
     1.2 +++ b/src/HOL/Real.thy	Tue Nov 05 09:45:00 2013 +0100
     1.3 @@ -919,13 +919,6 @@
     1.4      using 1 2 3 by (rule_tac x="Real B" in exI, simp)
     1.5  qed
     1.6  
     1.7 -(* TODO: generalize to ordered group *)
     1.8 -lemma bdd_above_uminus[simp]: "bdd_above (uminus ` X) \<longleftrightarrow> bdd_below (X::real set)"
     1.9 -  by (auto simp: bdd_above_def bdd_below_def intro: le_imp_neg_le) (metis le_imp_neg_le minus_minus)
    1.10 -
    1.11 -lemma bdd_below_uminus[simp]: "bdd_below (uminus ` X) \<longleftrightarrow> bdd_above (X::real set)"
    1.12 -  by (auto simp: bdd_above_def bdd_below_def intro: le_imp_neg_le) (metis le_imp_neg_le minus_minus)
    1.13 -
    1.14  instantiation real :: linear_continuum
    1.15  begin
    1.16