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From: rbowman <bowman@montana.com>
Newsgroups: comp.os.linux.advocacy
Subject: Re: Why Python When There Is Perl?
Date: 25 Mar 2024 23:40:27 GMT
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On Mon, 25 Mar 2024 17:01:46 -0500, Physfitfreak wrote:

> In this topic that we were discussing, I hadn't even paid close
> attention to the word "implication". Now that I'm looking more
> carefully, I see that it is better than "concurrence" for use in that
> type of operation.

https://en.wikipedia.org/wiki/Material_conditional

Prolog uses :- for Horn clauses, which are evaluated from right to left. I 
dug out my Prolog manual from 1982 and it launched into a discussion of 
Horn clauses and remarked Prolog wasn't ready for propositional calculus. 
Maybe someday.

Still a strange thing to be found in the Beginner's All-purpose Symbolic 
Instruction Code.  I doubt there were many mourners when it was dropped.