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Re: RDF Semantics: partial review

From: pat hayes <phayes@ihmc.us>
Date: Wed, 12 Nov 2003 09:30:22 -0600
Message-Id: <p06001f01bbd8025f9471@[]>
To: herman.ter.horst@philips.com
Cc: www-rdf-comments@w3.org

>  >>You cannot speak of A(E) unless it is defined.
>>Oh, come. A is a mapping: A(E) is the result of applying that mapping
>>to E.  Do I really need to *define* what is meant by applying a
>>mapping to an argument? You will want me to be defining the meaning
>>of the word "and" next.
>No: you do not need to define what is meant by applying a mapping
>to an argument.  And I will not want you to be defining the meaning of
>the word "and" next.
>The point is that A(E) can be undefined, since the text
>specifies A to be only a mapping from "*some* set of blank nodes to
>the universe IR of I".
>On further reflection, I can give a suggestion for a much shorter
>correction than the one I gave above:
>    If E is a blank node and A(E) is defined then I+A(E)=A(E)

Ah, I see your point. OK, change made.

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Received on Wednesday, 12 November 2003 10:30:24 UTC

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