Yes, sorry: TranX is transitive extension, TranClo, transitive closure. On 2020.03.15 20:42:39, you, the extraordinary Devon McCormick, spake thus:
> Maybe "TranClo" is transitive closure? > > On Sun, Mar 15, 2020 at 6:28 PM Nollaig MacKenzie <[email protected]> > wrote: > > > I've always liked these (originally from > > a paper by Perlis and Rugaber on APL idioms): > > > > TranX > > +. +./ .*.~ > > TranClo > > TranX^:_ > > > > (The argument should be a square boolean matrix). > For information about J forums see http://www.jsoftware.com/forums.htm -- Nollaig MacKenzie pgp key C6E9845A ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
