Convexities of partial monounary algebras D. Jakubíková-Studenovská OriginalPaper 27 February 2009 Pages: 125 - 143
Some ring-theoretic properties of almost P-frames Themba Dube OriginalPaper 27 February 2009 Pages: 145 - 162
Terms that are self-dual in Boolean algebras but not in MO2 David KellyR. Padmanabhan OriginalPaper 10 February 2009 Pages: 163 - 168
Lower and upper regularizations of frame semicontinuous real functions Javier Gutiérrez GarcíaTomasz KubiakJorge Picado OriginalPaper 27 February 2009 Pages: 169 - 184
Orthocomplemented lattices with a symmetric difference Milan Matoušek OriginalPaper 27 February 2009 Pages: 185 - 215
The product of two von Neumann n-frames, its characteristic, and modular fractal lattices Gábor Czédli OriginalPaper 10 February 2009 Pages: 217 - 230
Lyndon’s groupoid generates a small almost Cross variety Edmond W. H. Lee OriginalPaper 10 February 2009 Pages: 239 - 246