1. Über Theorien im erweiterten Sinne

   • August Pieczkowski

   OriginalPaper Pages: 317 - 331

2. A method of axiomatization of Łukasiewicz logics

   • Marek Tokarz

   OriginalPaper Pages: 333 - 338

3. Concerning the so called system BD of Åqvist

   • Bogusław Iwanuś

   OriginalPaper Pages: 339 - 343

4. Is self-reduction paradoxical?

   • M. L. Dalla Chiara
   • G. Toraldo di Francia

   OriginalPaper Pages: 345 - 348

5. A note on direct products and ultraproducts of logical matrices

   • Jan Zygmunt

   OriginalPaper Pages: 349 - 357

6. S-algebras and the degrees of maximality of three and four valued logics of Łukasiewicz

   • Grzegorz Malinowski

   OriginalPaper Pages: 359 - 370

7. Logics based on partial Boolean σ-algebras (1)

   • Janusz Czelakowski

   OriginalPaper Pages: 371 - 396

8. A non-classical logic for physics

   • Robin Giles

   OriginalPaper Pages: 397 - 415

9. Constructing denumerable matrices strongly adequate for pre-finite logics

   • Ewa Graczyńska
   • Andrzej Wroński

   OriginalPaper Pages: 417 - 423

10. Counterfactuals

    • David Makinson

    Reviews Pages: 425 - 427