I n -symmetrical Heyting algebras Sonia SaviniJulio SewaldAlicia Ziliani OriginalPaper Pages: 503 - 512
Two equivalent definitions of a congruence on a finitary model in a quasivariety Olav Jordens OriginalPaper Pages: 513 - 520
Signatures andS-discrete lattice-ordered groups Paul ConradJorge Martinez OriginalPaper Pages: 521 - 545
The algebra of majority consensus Hans -Jürgen BandeltGerasimos C. Meletiou OriginalPaper Pages: 546 - 555
Lattices contained in planar orders are planar Richard NowakowskiIvan RivalJorge Urrutia OriginalPaper Pages: 580 - 588
Boolean spaces with countable base but uncountably many orbits Dale Myers OriginalPaper Pages: 589 - 600
