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Date: Wed, 24 Jul 2013 22:06:21 +0200
From: Willie WY Wong <wongwwy@member.ams.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Portage 2.2
Message-ID: <20130724200621.GA3609@Gee-Mi-Ni.home>
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On Wed, Jul 24, 2013 at 12:46:59PM +0200, Penguin Lover Alan McKinnon squawked:
> @set1+@set2/@set3 reduces to:
> 
> all the elements of set1 and set2 without the elements that are in set3
> (/ is difference).
> 

Speaking as a mathematician (and A. Gottlieb will agree with me), I
would be rather annoyed that they chose (if this is not a misquote 
from the original proposed documentation) to use '/' for set 
difference instead of '\' as it is supposed to be. 

Humph.

W


-- 
Data aequatione quotcunque fluentes quantitae involvente fluxiones invenire 
         et vice versa   ~~~  I. Newton