[Python-Dev] Re: PEP 218 (sets); moving set.py to Lib
Eric S. Raymond
Wed, 21 Aug 2002 05:05:27 -0400
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Martin Sj=F6gren <firstname.lastname@example.org>:
> > Is it + for disjunction and juxtaposition for conjunction, or the other
> > way around? Not that I've ever seen either variant.
> I've often seen it in the context of electronics. a+1 =3D 1, a0 =3D 0 and=
> on. That is, + is disjunction and juxtaposition (or a multiplication
> dot) is conjunction.
Makes sense. Hardware designers care a lot about reduction to disjunctive
normal form. Much more than logicians do, actually.
> Hmm, I just realized that I've also seen it in an American book on
> discrete maths, so it's not just us Swedes ;)
Odd that I haven't encountered it.
<a href=3D"http://www.tuxedo.org/~esr/">Eric S. Raymond</a>
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