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NONREPRESENTABLE RELATION ALGEBRAS FROM GROUPS
Published online by Cambridge University Press: 13 June 2019
Abstract
A series of nonrepresentable relation algebras is constructed from groups. We use them to prove that there are continuum many subvarieties between the variety of representable relation algebras and the variety of coset relation algebras. We present our main construction in terms of polygroupoids.
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- Copyright © Association for Symbolic Logic 2019
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