src/HOL/Set.thy
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     1 (*  Author:     Tobias Nipkow, Lawrence C Paulson and Markus Wenzel *)
     1 (*  Author:     Tobias Nipkow, Lawrence C Paulson and Markus Wenzel *)
     2 
     2 
     3 header {* Set theory for higher-order logic *}
     3 section {* Set theory for higher-order logic *}
     4 
     4 
     5 theory Set
     5 theory Set
     6 imports Lattices
     6 imports Lattices
     7 begin
     7 begin
     8 
     8