Dear Gene,

Thanks for this clarification.

Is it your view that the reason that the CGPM included the statement you
quote, from page 92 of 'Le Syst�me International d'Unit�s, is to retain the
property of 'coherence' for SI?

Cheers,

Pat Naughtin LCAMS
Geelong, Australia
-- 

on 2003-09-13 09.07, Gene Mechtly at [EMAIL PROTECTED] wrote:

> On Sun, 7 Sep 2003 [EMAIL PROTECTED] wrote:
>> ...
>> All SI prefix multiples of the coherent SI units are SI units.
>> Reference: IEEE/ASTM SI 10 -2002  2.2 SI prefixes
>>         "The term SI units includes the SI base units, the
>>         SI derived units, and all units formed from them
>>         using the SI prefixes."
> 
> The above assertions contradict statements in the BIPM Brochure.
> 
> For example, on Page 92 of the Brochure is the statement: "It is important
> to emphasize that each physical quantity has only one SI unit, ..."
> 
> The BIPM Brochure, strictly based on resolutions of the CGPM, is the
> official document on the SI; not SI 10.
> 
> SI 10 misrepresents the meaning of "SI Units" and "multiples and
> submultiples of SI Units" as presently defined by the CGPM and BIPM
> and understood internationally, except by readers of SI 10.
> 
> Gene.
> 

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