Another proof that ISP r(K) is the least quasivariety containing K Janusz CzelakowskiWiesław Dziobiak OriginalPaper Pages: 343 - 345
The finite inseparability of the first-order theory of diagonalisable algebras Craig Smoryński OriginalPaper Pages: 347 - 349
That SCI has the interpolation property Grzegorz MalinowskiMarek Michalczyk OriginalPaper Pages: 375 - 380
Concerning axiomatizability of the quasivariety generated by a finite Heyting or topological Boolean algebra Wlesław Dziobiak OriginalPaper Pages: 415 - 428