Soundness and Completeness of the Birkhoff Equational Calculus for Many-Sorted Algebras with Possibly Empty Carrier Sets

Vincenzo Manca, Antonino Salibra. Soundness and Completeness of the Birkhoff Equational Calculus for Many-Sorted Algebras with Possibly Empty Carrier Sets. Theoretical Computer Science, 94(1):101-124, 1992.

Abstract

Abstract is missing.