1. Semantical analysis of Arruda da CostaP systems and adjacent non-replacement relevant systems

   • Richard Routley
   • Andréa Loparić

   Articles Pages: 301 - 320

2. Ramsey eliminability

   • J. F. A. K. van Benthem

   Articles Pages: 321 - 336

3. A semantic characterization of terms free for some variable in a formula

   • V. G. Kirin

   Articles Pages: 337 - 340

4. The inconsistency of Bernini's very strong intuitionistic theory

   • Norbert Wendel

   Articles Pages: 341 - 347

5. A note on my paper “A very strong intruitionistic theory”

   • Sergio Bernini

   Articles Pages: 349 - 350

6. On three-valued implicative systems

   • Marian Maduch

   Articles Pages: 351 - 385

7. Subformula results in some propositional modal logics

   • Melvin Fitting

   Articles Pages: 387 - 391

8. Semantics for connexive logics. I

   • Richard Routley

   Articles Pages: 393 - 412

9. Compactness theorems for finitely-many-valued sentenial logics

   • George Weaver

   Articles Pages: 413 - 416

10. Announcement

    Announcement Pages: 417 - 417