From: Hans Aberg <haberg-1@telia.com>
To: Noah Lavine <noah.b.lavine@gmail.com>
Cc: Andy Wingo <wingo@pobox.com>, guile-devel <guile-devel@gnu.org>
Subject: Re: Avoiding variable clashes
Date: Wed, 13 Apr 2011 18:33:13 +0200 [thread overview]
Message-ID: <325C39BE-7343-459C-904B-42728341FB6B@telia.com> (raw)
In-Reply-To: <BANLkTimUjJXhzP83G5DGG8vRdDN2QqrUYg@mail.gmail.com>
On 13 Apr 2011, at 18:25, Noah Lavine wrote:
> I think that mechanism is all that Guile uses at present. However, it
> should be general enough to resolve all situations where variables of
> the same name refer to different entities, assuming you set up the
> environments correctly.
>
> Are you planning on implementing a theorem prover for Guile? That would be cool.
Or at least having something to experiment with. From Andy's description, it seems one may merely have to disable the beta-rule.
I wrote on a theorem prover that pushed comparison of clauses into the unification, admitting unification branching, and doing breadth-first search.
The hard part was resolving variable clashes in substitution.
Hans
next prev parent reply other threads:[~2011-04-13 16:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-13 12:57 Avoiding variable clashes Hans Aberg
2011-04-13 14:19 ` Andy Wingo
2011-04-13 14:34 ` Hans Aberg
2011-04-13 15:27 ` Andy Wingo
2011-04-13 15:46 ` Hans Aberg
2011-04-13 16:25 ` Noah Lavine
2011-04-13 16:33 ` Hans Aberg [this message]
2011-04-13 16:25 ` Andy Wingo
2011-04-13 16:53 ` Hans Aberg
2011-04-14 1:08 ` Noah Lavine
2011-04-14 7:56 ` Andy Wingo
2011-04-14 13:13 ` Noah Lavine
2011-04-14 14:34 ` Andy Wingo
2011-04-14 8:30 ` Hans Aberg
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