Actually, it means "if and only if". It translates to [image: \Leftrightarrow](double implication) or [image: \equiv] (equivalence), which are the same thing, in mathematics and naturally, in computer science.
On Wed, Feb 27, 2013 at 7:51 PM, Jean-Charles BERTIN <jc.ber...@axinoe.com>wrote: > Didn't know that "iff" means "if and exactly if" but we have the > same abbreviation in french: "ssi" for "si et seulement si" ! > > On Wed, 2013-02-27 at 22:24 +0100, Fred Kiefer wrote: > > On 27.02.2013 17:29, Jean-Charles BERTIN wrote: > > > --- > > > Headers/Foundation/NSGeometry.h | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > I think the use of "iff" here wasn't a typo, it was rather intentional. > > In mathematical and computer science contexts "iff" gets used quite > > often to mean "if and exactly if", that is when the implication holds in > > both directions. > > > > -- > Jean-Charles BERTIN > Axinoe - Software Engineer > Tel.: (+33) (0)1.80.82.59.23 > Fax : (+33) (0)1.80.82.59.29 > Skype: jcbertin > Web: <http://www.axinoe.com/> > Certificate Authority: <https://ca.axinoe.com/axinoe-root.crt> > > _______________________________________________ > Gnustep-dev mailing list > Gnustep-dev@gnu.org > https://lists.gnu.org/mailman/listinfo/gnustep-dev > > -- Besos, abrazos, confeti y aplausos. Jamie Ramone "El Vikingo"
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