Completeness of the bounded Boolean powers of orthomodular lattices Z. Riečanová OriginalPaper Pages: 230 - 232
Quasigroups, right quasigroups and category coverings T. S. R. FuadJ. D. H. Smith OriginalPaper Pages: 233 - 248
On a characterization of distributive lattices by the betweenness relation M. Ploščica OriginalPaper Pages: 249 - 255
Axiomatization of identity-free equations valid in relation algebras H. AndrékaI. Németi OriginalPaper Pages: 256 - 264
Finitely generated relatively universal varieties of Heyting algebras V. Koubek OriginalPaper Pages: 296 - 331