Vol. 28, No. 1, 1969

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ISSN: 0030-8730
Equational classes of modular lattices

Kirby Alan Baker

Vol. 28 (1969), No. 1, 9–15
Abstract

One natural question of lattice theory has been (i) whether there exists an equational class of lattices which cannot be characterized by any finite list of lattice identities. Another question, due to B. Jónsson, is (ii) whether there exists an equational class of lattices which is not determined by its finite members. We shall show that the answers to both questions are affirmative, even with the additional requirement of modularity. The examples are constructed from lattices corresponding to projective planes.

Mathematical Subject Classification
Primary: 06.40
Milestones
Received: 16 May 1968
Published: 1 January 1969
Authors
Kirby Alan Baker