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Article #511

Re: Logic and Mathematicians

#511
From: Vaughan R. Pratt
Date: Mon, 16 Nov 1992 19:30
9 lines
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In article <1992Nov16.165221.5725@guinness.idbsu.edu> holmes@garnet.idbsu.edu (Randall Holmes) writes:
>This is exactly what I was thinking about.  There would also have to
>be some algorithm that one could not prove to not be in P.  Would this
>algorithm have to be "objectively" in P?

P consists of sets, not algorithms.  A slow algorithm says nothing
about the complexity of the set it accepts.
-- 
Vaughan Pratt	  		A fallacy is worth a thousand steps.
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Message-ID: <1992Nov16.193017.25867@CSD-NewsHost.Stanford.EDU>
Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!CSD-NewsHost.Stanford.EDU!Sunburn.Stanford.EDU!pratt
References: <1992Nov15.191744.17481@husc3.harvard.edu> <1992Nov16.050846.15982@infodev.cam.ac.uk> <1992Nov16.165221.5725@guinness.idbsu.edu>

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Newsgroups: sci.logic,sci.math
Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!CSD-NewsHost.Stanford.EDU!Sunburn.Stanford.EDU!pratt
From: pratt@Sunburn.Stanford.EDU (Vaughan R. Pratt)
Subject: Re: Logic and Mathematicians
Message-ID: <1992Nov16.193017.25867@CSD-NewsHost.Stanford.EDU>
Sender: news@CSD-NewsHost.Stanford.EDU
Organization: Computer Science Department,  Stanford University.
References: <1992Nov15.191744.17481@husc3.harvard.edu> <1992Nov16.050846.15982@infodev.cam.ac.uk> <1992Nov16.165221.5725@guinness.idbsu.edu>
Date: Mon, 16 Nov 1992 19:30:17 GMT
Lines: 9