tuned order of arguments
moved and renamed lemmas
more name tuning --HG-- rename : src/HOL/Data_Structures/Map_by_Ordered.thy => src/HOL/Data_Structures/Map_Specs.thy rename : src/HOL/Data_Structures/Set_Interfaces.thy => src/HOL/Data_Structures/Set_Specs.thy
better name; added binary operations --HG-- rename : src/HOL/Data_Structures/Set_by_Ordered.thy => src/HOL/Data_Structures/Set_Interfaces.thy
eliminated "elems"
got rid of class cmp; added height-size proofs by Daniel Stuewe
more canonical names
removed lemmas that were only needed for old version of isin.
unified isin-proofs
added red black trees --HG-- extra : rebase_source : 28e43c87d5eb14090fa401987d8131c2067f6ab7