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Subject: RE: [relax-ng] Closure

James only makes the claim that RELAX NG is closed under union.

See http://www.thaiopensource.com/relaxng/design.html#section:6.

I doubt we can claim it is closed under any other operation.


> -----Original Message-----
> From: John Cowan [mailto:jcowan@reutershealth.com]
> Sent: Thursday, May 23, 2002 12:42 PM
> To: relax-ng@lists.oasis-open.org
> Subject: [relax-ng] Closure
> I have stuck my neck out and claimed that RNG is closed under
> intersection.  Is it?  Also Tim Bray wants to know if RNG
> is closed under set difference.  My guess is 'no', but I'd like
> to know for sure, or know that it isn't known.
> -- 
> John Cowan <jcowan@reutershealth.com>     http://www.reutershealth.com
> I amar prestar aen, han mathon ne nen,    http://www.ccil.org/~cowan
> han mathon ne chae, a han noston ne 'wilith.  --Galadriel, _LOTR:FOTR_
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