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Article #196

Re: Set-free measure theory

#196
From: Gerald Edgar
Date: Tue, 26 Jan 1993 21:11
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In article <C1GuEp.M99@sugar.neosoft.com> claird@NeoSoft.com (Cameron Laird) writes:
>I propose this definition:  a "set-free measure" is
>a triple <X, m, T> with
>1.  X a lattice (boolean algebra),
>2.  m a function defined on the members of X, and
>3.  T an equivalence relation on X, for which
>4.  m(x + y) = m(x) + m(y) - m(x.y) and
>5.  xTy implies m(x) = m(y).
>

A place to start your reading is Chapter X of Birkhoff's _Lattice Theory_
(3rd edition).  You have described a lattice with valuation (if you
omit 3 and 5).

-- 
  Gerald A. Edgar                Internet:  edgar@mps.ohio-state.edu
  Department of Mathematics      Bitnet:    EDGAR@OHSTPY
  The Ohio State University      telephone: 614-292-0395 (Office)
  Columbus, OH 43210             -292-4975 (Math. Dept.) -292-1479 (Dept. Fax)
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From: edgar@FUNCTION.MPS.OHIO-STATE.EDU (Gerald Edgar)
Newsgroups: sci.math.research
Subject: Re: Set-free measure theory
Message-ID: <1k49daINNi1n@function.mps.ohio-state.edu>
Date: 26 Jan 93 21:11:06 GMT
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