Terms are defined throughout
this document, indicated by
italic type. Terms explicitly defined
in this document are not to be presumed to refer implicitly to similar
terms defined elsewhere. Mathematical terms not defined in this document
are to be interpreted according to the
CRC Concise Encyclopedia of
Mathematics, Second Edition. Other terms not defined in this document
are to be interpreted according to the
Webster's Third New International
Dictionary of the English Language. Informal descriptions of some
terms are also given below.