Re: Lisp versus Prolog

Prolog is excellent for the task for which
it was designed - which is deduction.
Some tasks just turn out to be so much
easier in Prolog than Lisp. Generally
I would consider it useful in an expert
systems context.

Lisp is a more flexible tool all round than
Prolog. It suffers from a lack of features
common in more modern FPLs such
as pattern-directed list handling and types.

Prolog in Lisp might be your solution.
You should know though that Prolog-in-Lisp
will be slower than the best commercial
Prolog such as Sicstus. If you don't mind
losing a little speed - its a solution.

There is a Prolog in Lisp in Qi - does from
100-400 KLIPs under CLisp. The top level
syntax handler needs a little work but it
does go.

Mark

.

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