See http://groups.google.com/group/comp.lang.apl/browse_thread/thread/cd4e29ed89881f8d/ad90c2c33436919b from February 1991 for more information on the atomic representation.
> Further reading of http://www.jsoftware.com/help/dictionary/d610.htm > refers to: Bernecky, Robert, and R.K.W. Hui, Gerunds and > Representations,APL91, ACM. but I couldn't find the article. See http://www.jsoftware.com/jwiki/Essays/Bibliography#Gerunds and follow the link at that entry. ----- Original Message ----- From: Viktor Cerovski <[EMAIL PROTECTED]> Date: Sunday, November 16, 2008 18:55 Subject: Re: [Jgeneral] Gerund To: [email protected] > > > Björn Helgason wrote: > > > > I am trying to understand gerund and tie > > > > mean=.sum div count > > 'sum div count'=.+/`%`# > > [...] > > > What's really curious about this is that verbs are represented > in prefix > notation: > > sum > ┌─┬───┐ > │/│┌─┐│ > │ ││+││ > │ │└─┘│ > └─┴───┘ > > 'F G' =: [EMAIL PROTECTED]@h/ ` f > F > ┌─┬───────────────────┐ > │/│┌─────────────────┐│ > │ ││┌─┬─────────────┐││ > │ [EMAIL PROTECTED] > │ │││ ││┌─┬─────┐│h││││ > │ │││ [EMAIL PROTECTED] ││││ > │ │││ │││ ││f│g│││ ││││ > │ │││ │││ │└─┴─┘││ ││││ > │ │││ ││└─┴─────┘│ ││││ > │ │││ │└─────────┴─┘│││ > │ ││└─┴─────────────┘││ > │ │└─────────────────┘│ > └─┴───────────────────┘ > > This is easily represented as the following LISP's S-expression: > (/ . (((@ . (@ . (f . g))) . h).()))) === (/ ((@ @ f . g) . h)) > > adverbs and conjunctions appear at first positions of subexpressions, > while in the case of trains at the first position is the length > of the > bident > or trident only, again in the prefix notation: > > 'F G' =: (f g h a h a)`f > > F is then (2.(f .(3 . (g . h . (3 . a . h . a))))) > > > Further reading of http://www.jsoftware.com/help/dictionary/d610.htm > refers to: Bernecky, Robert, and R.K.W. Hui, Gerunds and > Representations,APL91, ACM. > but I couldn't find the article. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
