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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: histrionics
Date: 1999/09/11
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In article <rtiq3si91iv24@corp.supernews.com>,
  "Vladimir Olensky" <vladimir_olensky@yahoo.com> wrote:
> Another thing is that it may be difficult for many people to
grasp
> the idea of backtracking and recursion and be able to
understand
> program execution that uses them.

No, in Prolog, the difficulty is not understanding the
backtracking, that's the easy part, or it would be easy
if it were pure, but the cut operator is like falling
off a semantic cliff, and the frequent need to use cut
is a severe disappointment.


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