src/HOL/Equiv_Relations.thy
changeset 51112 da97167e03f7
parent 46752 e9e7209eb375
child 54744 1e7f2d296e19
     1.1 --- a/src/HOL/Equiv_Relations.thy	Thu Feb 14 13:16:47 2013 +0100
     1.2 +++ b/src/HOL/Equiv_Relations.thy	Thu Feb 14 12:24:42 2013 +0100
     1.3 @@ -5,7 +5,7 @@
     1.4  header {* Equivalence Relations in Higher-Order Set Theory *}
     1.5  
     1.6  theory Equiv_Relations
     1.7 -imports Big_Operators Relation Plain
     1.8 +imports Big_Operators Relation
     1.9  begin
    1.10  
    1.11  subsection {* Equivalence relations -- set version *}