changeset 23878 | bd651ecd4b8a |
parent 23736 | bf8d4a46452d |
child 23949 | 06a988643235 |
--- a/src/HOL/Finite_Set.thy Fri Jul 20 00:01:40 2007 +0200 +++ b/src/HOL/Finite_Set.thy Fri Jul 20 14:27:56 2007 +0200 @@ -7,7 +7,7 @@ header {* Finite sets *} theory Finite_Set -imports Divides Equiv_Relations IntDef +imports IntDef Divides begin subsection {* Definition and basic properties *} @@ -94,6 +94,7 @@ qed qed + text{* Finite sets are the images of initial segments of natural numbers: *} lemma finite_imp_nat_seg_image_inj_on: