[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: A question about XML-Schema
Thanks -- so restriction is transitive. But at this time, I sincerely do not see why upa should have anything to do with it -- they seem quite orthogonal -- and any subtyping *should* be defined *always* in such a way that transitivity holds -- I will check up sometime soon. <warning>speaking for himself only</warning> thanks and regards - murali. On Fri, 8 Jun 2001, Henry S. Thompson wrote: > > Is restriction in xml-schema transitive?? -- in other words, if a type > > Type_B is obtained by restriction from Type_A, and Type_C is obtained by > > restriction from Type_B, then is the following statement true: "Type_C can > > always be obtained by restriction from Type_A" > > It's true, because of the Unique Particle Attribution constraint. > > ht > -- > Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh > W3C Fellow 1999--2001, part-time member of W3C Team > 2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440 > Fax: (44) 131 650-4587, e-mail: ht@c... > URL: http://www.ltg.ed.ac.uk/~ht/ > > ------------------------------------------------------------------ > The xml-dev list is sponsored by XML.org, an initiative of OASIS > <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To unsubscribe from this elist send a message with the single word > "unsubscribe" in the body to: xml-dev-request@l... >
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