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src/HOL/Library/Extended_Real.thy
changeset 63680 6e1e8b5abbfa
parent 63627 6ddb43c6b711
child 63882 018998c00003
equal deleted inserted replaced
63679:dc311d55ad8f 63680:6e1e8b5abbfa 
   216       by (auto intro!: eventually_INF1[of i] simp: eventually_principal)
 
   216       by (auto intro!: eventually_INF1[of i] simp: eventually_principal)
 
   217     done
 
   217     done
 
   218 qed
 
   218 qed
 
   219 
   219 
   220 text \<open>
 
   220 text \<open>
 
   221 
   221   For more lemmas about the extended real numbers see
 
   222 For more lemmas about the extended real numbers go to
 
   222   \<^file>\<open>~~/src/HOL/Analysis/Extended_Real_Limits.thy\<close>.
 
   223   @{file "~~/src/HOL/Analysis/Extended_Real_Limits.thy"}
 
       
   224 
       
   225 \<close>
 
   223 \<close>
 
   226 
   224 
   227 subsection \<open>Definition and basic properties\<close>
 
   225 subsection \<open>Definition and basic properties\<close>
 
   228 
   226 
   229 datatype ereal = ereal real | PInfty | MInfty
 
   227 datatype ereal = ereal real | PInfty | MInfty
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