Re: SUO: Set/Class Distinction

[Patrick Cassidy <pcassidy@bellatlantic.net>]

Ian --
   I thought that one of the distinctions was that
sets are necessarily defined extensionally, whereas
a Class may have a membership criterion such that
the same class may have different members at
different times.  Is this a misunderstanding of what
the present definitions mean?

    Pat

=====================

Ian Niles wrote:

> Hi All,
> 
> 	A while back John Sowa recommended that we eliminate the concept of
> 'Class' in the SUMO, because it is not clearly differentiated from 'Set' and
> because it does not seem to have any utility beyond the concept of 'Set'.
> If no one objects, I'll go ahead and replace all of the occurrences of
> 'Class' in the SUMO with 'Set'.
> 
> Thanks,
> Ian
> 
> 


-- 
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Patrick Cassidy

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