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From: wlee@csd4.csd.uwm.edu (Wan Ngai Wayne Lee)
Newsgroups: comp.robotics
Subject: Re: "Easy" way to put "AI" in realtime embedded systems?
Message-ID: <11106@uwm.edu>
Date: 17 Apr 91 15:30:54 GMT
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Organization: University of Wisconsin - Milwaukee
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Originator: wlee@csd4.csd.uwm.edu

>    I may be totally wrong in this but aren't FORTH and LISP close relatives?

The two languages have many similar properties.  But they were designed for
different purposes and their foundations are different.  Postscript is much
closer to Forth.

>It seems to me that FORTH was the foundation of LISP. Now as I said before
>I may be remembering wrong or have the wrong "child" of FORTH in mind, or I
>may just be remembering a LISP that was developed from FORTH as an exercise
>by some one I knew or read about. Is there anyone out there that can set me
>straight or re-enforce this??

Forth was born later than LISP.  I don't think the designer of LISP knew
anything about Forth when he designed LISP.  Because of the simplicity of
Forth, many people had developed variants of Forth, such as Fifth, Sixth,
... .  I don't know any LISP written in Forth.  But I do know there
is Prolog written in Forth.