berghofe [Wed, 07 May 2008 10:59:34 +0200] rev 26819
Replaced union_empty2 by Un_empty_right.
berghofe [Wed, 07 May 2008 10:59:33 +0200] rev 26818
Instantiated rule expand_fun_eq in proof of set_of_eq_empty_iff, to avoid that
it gets applied to sets as well.
berghofe [Wed, 07 May 2008 10:59:32 +0200] rev 26817
Deleted instance "set :: ({heap, finite}) heap"
berghofe [Wed, 07 May 2008 10:59:29 +0200] rev 26816
- Declared subset_eq as code lemma
- Deleted types_code declaration for sets
berghofe [Wed, 07 May 2008 10:59:27 +0200] rev 26815
Deleted instantiation "set :: (enum) enum"
berghofe [Wed, 07 May 2008 10:59:24 +0200] rev 26814
Replaced + and * on sets by \<oplus> and \<otimes>, to avoid clash with
definitions of + and * on functions.