src/HOL/Hahn_Banach/Hahn_Banach.thy
changeset 59197 c112a24446d4
parent 58889 5b7a9633cfa8
child 61486 3590367b0ce9
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59196:73a6403637b3 59197:c112a24446d4
   295     by (simp only:)
   295     by (simp only:)
   296   ultimately show ?thesis by blast
   296   ultimately show ?thesis by blast
   297 qed
   297 qed
   298 
   298 
   299 
   299 
   300 subsection  \<open>Alternative formulation\<close>
   300 subsection \<open>Alternative formulation\<close>
   301 
   301 
   302 text \<open>
   302 text \<open>
   303   The following alternative formulation of the Hahn-Banach
   303   The following alternative formulation of the Hahn-Banach
   304   Theorem\label{abs-Hahn-Banach} uses the fact that for a real linear
   304   Theorem\label{abs-Hahn-Banach} uses the fact that for a real linear
   305   form @{text f} and a seminorm @{text p} the following inequations
   305   form @{text f} and a seminorm @{text p} the following inequations