Covering relation in the language of mono-unary algebras with at most one constant symbol

DOI10.1007/BF01236858zbMath0675.08002OpenAlexW2088937704MaRDI QIDQ1121932

Cornelia Kalfa

Publication date: 1989

Published in: Algebra Universalis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01236858

zbMATH Keywords

monounary algebraslattice of equational theories

Mathematics Subject Classification ID

Equational logic, Mal'tsev conditions (08B05) Unary algebras (08A60)

Related Items (1)

A finitely based theory of a non-trivial language, with exactly \(\aleph_ 0\) subcovers

Cites Work

• Structural diversity in the lattice of equational theories
• Intervals in the lattice of varieties
• Embedding the dual of \(\Pi^\infty\) in the lattice of equational classes of semigroups.
• Decidable properties of finite sets of equations in trivial languages
• Primitive classes of algebras with unary and nullary operations
• The Lattice of Equational Classes of Algebras with One Unary Operation

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