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ON THE LOCALNESS OF THE EMBEDDING OF ALGEBRAS 275
[8] J. MacDonald, Conditions for a universal mapping of algebras to be a monomorphism, Bull. Amer. Math. Soc. 80 (1974), 888-892.
[9] J. MacDonald, Embeddings of Algebras, Galois theory, Hopf algebras, and semiabelian categories, Fields Institute Communications 43, Amer. Math. Soc., 2004, 359-373.
[10] E. Manes, Algebraic Theories, Springer-Verlag, 1976.
[11] B. H. Neumann, An embedding theorem for algebraic systems, Proc. London Math. Soc.
(3) 4 (1954), 138-153.
(L. Sousa) CMUC, University of Coimbra, Portugal, and
ESTV, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal E-mail address: sousa@estv.ipv.pt
