For uniformity I almost always use "=" and would not like to see it printed as <-->.
Tobias Am 02/09/2013 16:24, schrieb Makarius: > (This is just a side-track on HOL notation, which came to me when cleaning up > theories with old ASCII replacement syntax like & | --> <-> Un Int etc. -- > which > is very easy with explicit C+b completion in Isabelle/jEdit.) > > Isabelle/4379d46c8e13 (Oct 2005) introduces "alternative iff syntax for > equality > on booleans, with print_mode 'iff'". > > I can't remember a particular reason for the print mode, instead of having > that > syntax always on. I find myself using the "iff" notation most of the time to > make theories look "nice". > > Are there clubs of "iff" vs. "non-iff"? If almost everybody is a member of > the > "iff" club we could just remove that print mode. (We don't have to consider > that for the coming release, to avoid any real-time pressure on this > question.) > > > Makarius > _______________________________________________ > isabelle-dev mailing list > [email protected] > https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev _______________________________________________ isabelle-dev mailing list [email protected] https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev
