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Decision problem for separated distributive lattices

Published online by Cambridge University Press:  12 March 2014

Yuri Gurevich*
Affiliation:
Ben-Gurion University, Beer Sheva, Israel
*
University of Michigan, Ann Arbor, Michigan 48104

Abstract

It is well known that for all recursively enumerable sets X1, X2 there are disjoint recursively enumerable sets Y1Y2 such that YX1, Y2X2 and Y1, ⋃ Y2 = X1X2. Alistair Lachlan called distributive lattices satisfying this property separated. He proved that the first-order theory of finite separated distributive lattices is decidable. We prove here that the first-order theory of all separated distributive lattices is undecidable.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1983

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References

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