changeset 62481 | b5d8e57826df |
parent 62390 | 842917225d56 |
child 62618 | f7f2467ab854 |
--- a/src/HOL/Finite_Set.thy Tue Mar 01 10:32:55 2016 +0100 +++ b/src/HOL/Finite_Set.thy Tue Mar 01 10:36:19 2016 +0100 @@ -6,7 +6,7 @@ section \<open>Finite sets\<close> theory Finite_Set -imports Product_Type Sum_Type Nat +imports Product_Type Sum_Type Fields begin subsection \<open>Predicate for finite sets\<close>