Re: Object equals Relation

> Your so-called "proof" omits the generic operations such as restriction,
> projection, cartesian product, join, rename, extension, summary, union,
> intersection and difference. Not to mention update. Or insert of
> n-dimensional tuples.

For some reason, XDb only have high-level operator such as:

Addr_getA, AddToDescInsts, AliasDef_get, Child_getByPath, ChildFirst, ChildLast, ChildsDesc_walk, CInstFirst, CInstLast, Cls, CutPaste, CSibNext, CSibPrev, CopyPaste, Data_getAsNumber, Data_getAsStr, Data_setAsStr, Data_getAsStrForTree, DataTypeId_get, Db_set, Del_alsoFromParsInsts, Delete, Fldr_get, Id_get, Inst_add, Inst_findByData, Inst_getByPath, InstPkg_add, InstsDesc_walk, IsAlias, IsAncestCls, IsAncestClsOrEq, IsAncestPar, IsAncestParOrEq, IsDataTypeNumerical, IsDataTypeSummable, IsDescChild, IsDescChildOrEq, IsDescInst, IsDescInstOrEq, IsEntity, IsFolder, IsIncRef, IsProp, IsPropStatic, IsPropVirtual, IsRef, IsSysObj, LevelsToACls_get, LevelsToAPar_get, ObjTypeId_get, Parent, Prop_childFirst_get, Prop_childFirst_set, Prop_get, PropInAncestCls, PropInAncestPar, PropType_toggle, Qty_get, Qty_set, QtyX_get, SibNext, SibPrev, XmlFile_create Received on Sat Jun 15 2002 - 07:24:06 CEST