Re: Significance of overlapping output functions

jg.campbell (jg.campbell@qub.ac.uk)
Thu, 16 Dec 1999 01:06:26 +0100 (MET)

In article <82ld3q$tul$1@nnrp1.deja.com>,
jg.campbell <jg.campbell@qub.ac.uk> wrote:
> In article <000001bf4093$eda8dc20$8301f080@black.ncl.ac.uk>,
> fuzzy-mail@dbai.tuwien.ac.at wrote:
> > I am using FL for a choice model. For the purposes of my PhD thesis,
I
>
> Could you explain what is meant by a "choice model"?
>
[...]
> > fuzzy union function, provided that the union function is
idempotent.
> Is
> > this correct?
>
> I have no idea -- I say so because I'm unsure if either point is
> relevant. BTW, is it possible for a two place function to be
idempotent?

Of course, as Thomas Whalen <whalen@gsu.edu> has pointed out to to me:
"A two-place function is idempotent if f(a,a) = a Min and max are the
standard examples.".

For some crazy reason I had 'idempotent' linked to 'identity'.

Best regards,

Jon C.

--
Jonathan G. Campbell, School of Computer Science, The Queen's University
of Belfast, BT7 1NN  Tel +44 028 90 274623  jg.campbell@qub.ac.uk
http://strule.cs.qub.ac.uk/~jongc

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