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Re: [ontolog-forum] web-syllogism-and-worldview

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Thu, 16 Apr 2009 00:07:02 -0400
Message-id: <49E6AEE6.30003@xxxxxxxxxxx>
Adrian,    (01)

That argument is the reddest of red herrings:    (02)

AW> The problem with the "syllogisms will never work" argument
 > is that, if you allow them to be recursive, they have Turing
 > machine power.  That means that they can compute anything that
 > can be computed.    (03)

Every major programming language (e.g., FORTRAN, COBOL, LISP,
ALGOL, PL/I, C, C++, C#, Ada, Java, Python, Ruby, PHP, etc.)
has the following two properties:    (04)

  1. They have the power of a Turing machine.    (05)

  2. It's undecidable whether an arbitrary program written in
     any of those languages will terminate.    (06)

Yet properties #1 and #2 have never stopped anybody from using
those languages for major mission-critical applications.  In
fact, today's economy would grind to a halt (not just a recession)
if people stopped using programming languages with the power of
a Turing machine.    (07)

John    (08)

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