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Article #377Re: Are all crows black? => Logic as an essential
From: Alex Kean
Date: Fri, 13 Nov 1992 23:11
Date: Fri, 13 Nov 1992 23:11
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1876 bytes
In article <1992Nov12.231756.17396@husc3.harvard.edu> zeleny@husc10.harvard.edu (Michael Zeleny) writes: >>> .... >>>Let's not put Will off of syllogistic logic, though, please. There are >>>too many people graduating as it is without knowing the difference >>>between "All men are mortal/Socrates is a man -> Socrates is mortal" and >>>"All men are mortal/Socrates is mortal -> Socrates is a man". > >AK: >>I have not graduated yet, what is the difference? > >Validity. (This is truly depressing.) > Very true. In fact, the first form of inference as we know is deduction, and the second form is actually know as abduction. It is correct that abduction is not truth preserving, nevertheless, it is a form of inference used widely in our everyday life. My curiosity for posting stamps from my interest on abduction, the non-truth preserving inference, but is used commonly enough *as if it is truth preserving*. >AK: >>Best Regards, > >Have you considered a career in feminist computer science? > I have not graduated yet, what is feminist computer science? Best Regards, Alex Kean <kean@cs.ubc.ca> Department of Computer Science University of British Columbia 6356 Agricultural Road, Vancouver, British Columbia Canada V6T 1Z2 Tel: +1 (604)-822-3061 Fax: +1 (604)-822-5485
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Path: arc1-ca.pugleaf.net!sparky!uunet!gumby!destroyer!cs.ubc.ca!columbia.cs.ubc.ca!not-for-mail From: kean@cs.ubc.ca (Alex Kean) Newsgroups: sci.logic Subject: Re: Are all crows black? => Logic as an essential Date: 13 Nov 1992 15:11:52 -0800 Organization: Computer Science, University of B.C., Vancouver, B.C., Canada Lines: 44 Message-ID: <1e1cnoINN74a@columbia.cs.ubc.ca> References: <MARTINC.92Nov12021908@hatteras.cs.unc.edu> <1duqtpINNjl1@columbia.cs.ubc.ca> <1992Nov12.231756.17396@husc3.harvard.edu> NNTP-Posting-Host: columbia.cs.ubc.ca