No CrossRef data available.
Article contents
ALGEBRAIC EXPANSIONS OF LOGICS
Published online by Cambridge University Press: 22 June 2022
Abstract
An algebraically expandable (AE) class is a class of algebraic structures axiomatizable by sentences of the form
$\forall \exists ! \mathop{\boldsymbol {\bigwedge }}\limits p = q$
. For a logic L algebraized by a quasivariety
$\mathcal {Q}$
we show that the AE-subclasses of
$\mathcal {Q}$
correspond to certain natural expansions of L, which we call algebraic expansions. These turn out to be a special case of the expansions by implicit connectives studied by X. Caicedo. We proceed to characterize all the AE-subclasses of abelian
$\ell $
-groups and perfect MV-algebras, thus fully describing the algebraic expansions of their associated logics.
Keywords
MSC classification
- Type
- Article
- Information
- Copyright
- © The Author(s), 2022. Published by Cambridge University Press on behalf of The Association for Symbolic Logic
References


