Q: Sets

From: Marc van Dongen <dongen_at_cs.ucc.ie>
Date: Tue 17 Sep 2002 01:24:52 PM GMT
Message-ID: <20020917132452.GA14064@cs.ucc.ie>
Hi there,


I'm trying to model something with sets but there's something
that I don't know how to do. I've read the library manual but
I haven't found anything yet.

Given set S1, I want to create set S2 using a bijection which
reverses order. E.g. assuming that X1 < X2 < X3 I want to map
the set {X1,X2,X3} to { C - X3, C - X2, C - X1 }.

Is there a way to do this?

Thanks in advance.

Regards,


Marc van Dongen
-- 
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Received on Tue Sep 17 14:36:13 2002

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