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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
- Article-I.D.: function.1k49daINNi1n
- References: <C1GuEp.M99@sugar.neosoft.com>
- Sender: Daniel Grayson <dan@math.uiuc.edu>
- Organization: The Ohio State University, Dept. of Math.
- Lines: 19
- Approved: Daniel Grayson <dan@math.uiuc.edu>
- Originator: dan@symcom.math.uiuc.edu
- X-Submissions-To: sci-math-research@uiuc.edu
- X-Administrivia-To: sci-math-research-request@uiuc.edu
-
- 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
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