The importance of equational axioms emerged initially with the axiomatic approach to Boolean algebras, groups, and rings, and later in lattices. This unique research monograph systematically presents minimal equational axiom-systems for various lattice-related algebras, regardless of whether they are given in terms of “join and meet” or other types of operations such as ternary operations. Each of the axiom-systems is coded in a handy way so that it is easy to follow the natural connection among the various axioms and to understand how to combine them to form new axiom systems. A new topic in this book is the characterization of Boolean algebras within the class of all uniquely complemented lattices. Here, the celebrated problem of E V Huntington is addressed, which — according to G Gratzer, a leading expert in modern lattice theory — is one of the two problems that shaped a century of research in lattice theory. Among other things, it is shown that there are infinitely many non-modular lattice identities that force a uniquely complemented lattice to be Boolean, thus providing several new axiom systems for Boolean algebras within the class of all uniquely complemented lattices. Finally, a few related lines of research are sketched, in the form of appendices, including one by Dr Willian McCune of the University of New Mexico, on applications of modern theorem-proving to the equational theory of lattices. Key Features • Offers many theorems with new proofs in a self-contained manner • Gives a concise overview of the early history of the axioms of lattice-based algebras • Provides many examples of the shortest possible equational bases for various genres of lattice-based algebras • Presents the shortest-known single identity defining the class of all lattices • Includes an appendix by Dr William McCune (University of New Mexico, USA) that demonstrates the efficient use of modern theorem-provers to discover new Huntington varieties and the practical applications of the 21st century phenomenon of human-machine interaction

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