src/HOL/Relation.thy
changeset 54555 e8c5e95d338b
parent 54410 0a578fb7fb73
child 54611 31afce809794
     1.1 --- a/src/HOL/Relation.thy	Thu Nov 21 21:33:34 2013 +0100
     1.2 +++ b/src/HOL/Relation.thy	Thu Nov 21 21:33:34 2013 +0100
     1.3 @@ -5,7 +5,7 @@
     1.4  header {* Relations – as sets of pairs, and binary predicates *}
     1.5  
     1.6  theory Relation
     1.7 -imports Datatype Finite_Set
     1.8 +imports Finite_Set
     1.9  begin
    1.10  
    1.11  text {* A preliminary: classical rules for reasoning on predicates *}