[Python-Dev] Re: PEP 285: Adding a bool type
David Eppstein
eppstein at ics.uci.edu
Fri Apr 5 16:35:26 EST 2002
In article <Iwor8.8425$q63.5655 at atlpnn01.usenetserver.com>,
"Steve Holden" <sholden at holdenweb.com> wrote:
> > BTW, many people mistake boolean algebra with two-element boolean algebra,
> > which is only its most trivial example. The set operations (union, joint,
> > complement) on all subsets of a given set is a more generic example of
> > boolean algebra.
> >
> Don't I remember from my degree studies that a Boolean algebra can be
> defined on any lattice?
Lattices have union and intersection but not necessarily complement.
--
David Eppstein UC Irvine Dept. of Information & Computer Science
eppstein at ics.uci.edu http://www.ics.uci.edu/~eppstein/
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