True. I didn't have access to that APL, but read about it. And I didn't grok tacit at the time. I do remember that they used alpha and omega for left and right like x and y in J. At least, that's how I remember it.
On Thu, May 17, 2018 at 1:23 PM, Roger Hui <[email protected]> wrote: > If it used alpha and omega then it's not tacit. Tacit means no explicit > mention of the function arguments; the term "tacit" was invented in 1991 > http://www.jsoftware.com/papers/TacitDefn.htm . Tacit definition was > first > used APL\360, way back in 1966, as in +/ , but it was not recognized as > tacit. What made tacit fly were forks, first implemented in J in version > 0.1. In fact, tacit defn was implemented in J long before explicit defn. > > > > On Thu, May 17, 2018 at 12:14 PM, Don Guinn <[email protected]> wrote: > > > Tacit came out first in APL. Used alpha and omega. First time I saw +/÷# > > and thought "What is that??" (Sorry. Couldn't find rho.) > > > > On Thu, May 17, 2018, 11:24 AM David Lambert <[email protected]> > wrote: > > > > > "APL and J are conceptually similar. That is, one knowing one language > > can > > > easily pick up the other. " > > > Verbs and rank thinking are easily transferred. Tacit programming was > > new > > > and difficult for me, having used APL, APL2, and a VAX-VMS APL from > DEC. > > > .QQ is quote quad, .BX is box, etceteras. > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
