| 1. Andrzej BIELA, On Lindenbaum's extentions (Part A) | 2 |
| 2. Wojciech SUCHON, Matrix Lukasiewicz algebras | 9 |
| 3. Cecylia RAUSZER and Bogdan SABALSKI, Representation theorem for distributive pseudo-Boolean algebras | 17 |
| 4. Pawel BIELAK, On functions definable in implicational algebras | 24 |
| 5. Grzegorz MALINOWSKI, Degrees of maximality of some Lukasiewicz logics | 27 |
| 6. Janusz CZELAKOWSKI, The identity relation and partial Boolean algebras | 34 |
| 7. Janusz CZELAKOWSKI, Correction to my note "Partial Boolean σ-algebras" | 37 |