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Re: LSL boolean combinations involving undefined terms
>>>>> On 20 Jul 1995 17:49:01 GMT, cbj20@veblen (C.B. Jones) said:
>>>>> "horning" == horning <horning@pa.dec.com> writes:
horning> Gary, This is an area that most people find murky some of
horning> the time, and some people find murky most of the time.
horning> ...
horning> Jim H.
horning> PS One of the tightest corners for the total function
horning> interpretation is division by zero. You have to make
horning> sure that your generated by clause produces at least one
horning> value in the equivalence class of 1/0, something that is
horning> easy to overlook. Without it, you can prove by induction
horning> all the "paradoxes" involving "hidden" divisions by zero
horning> that we learned in high school. With it, of course, all
horning> your inductions get an extra, sometimes messy, case.
CBJ> I recently published a short note on this topic in Information
CBJ> Processing Letters. It would be interesting to know what Larch folk
CBJ> think about my comments. (Please e-mail - I'mm about to be away from
CBJ> News for 10 days)
But please post, too! I'm curious, also.
--Mitch
Mitchell Wand Internet: wand@ccs.neu.edu
College of Computer Science, Northeastern University
360 Huntington Avenue #161CN, Boston, MA 02115 Phone: (617) 373 2072
World Wide Web: http://www.ccs.neu.edu/home/wand Fax: (617) 373 5121
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CBJ> @article{Jones95e,
CBJ> author = "C.B. Jones",
CBJ> title = "Partial functions and logics: A warning",
CBJ> journal = ipl,
CBJ> volume = 54,
CBJ> number = 2,
CBJ> pages = "65--67",
CBJ> year = 1995
CBJ> }
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