Freese, Ralph S.; & García, Octavio Carlos; editors: - Universal Algebra and Lattice Theory: Proceedings of the Fourth International Conference, Held at Puebla, Mexico, 1982

Berlin, Springer-Verlag, 1983. orig.wrappers. 24x16cm, vi,308 pp. Series: Lecture Notes in Mathematics, 1004.. Some rubbing & cover soil. Name inked on title-page. VG. ¶ Contents: The Amalgation Class of a Discriminator Variety is Finitely Axiomatizable; Free Spectra of 3-Element Algebras; Tree Algebras & Chains; Boolean Constructions; Extensions of Polygroups by Polygroups & their Representations Using Color Schemes; A Characterization for Congruence Semi-Distributivity; Geometrical Applications in Modular Lattices; Subdirectly Irreducible Algebras in Modular Varieties; A Survey of Varieties of Lattice Ordered Groups; On Join-Indecomposable Equational Theories; Ideal Free CIM-Groupoids & Open Convex Sets; Finite Forbidden Lattices; Inherently Nonfintitely Based Finite Algebras; Tensor Products of Boolean Algebras; G-Principal Series of Stocks in an Algebra; Algebras of Functions from Partially Ordereds Sets into Distributive Lattices; Galois Theory for Partial Algebras; Every Finite Algebra with Congruence Lattice M7 Has Principal Congruences; Nilpotence in Permutable Varieties.