1. Professor Dr. Wolfram Schwabhäuser 1931–1985

   Announcement Pages: i - i

2. Some generalizations to two systems of set theory based on combinatory logic

   • M. W. Bunder

   OriginalPaper Pages: 5 - 12

3. Combinatorial principles concerning approximations of functions

   • Petr Hájek
   • Jeff Paris

   OriginalPaper Pages: 13 - 28

4. Majorisier Ungsrelationen und Fundamentalfolgen eines Ordinalzahlensystems von G. Jäger

   • Kurt Schütte

   OriginalPaper Pages: 29 - 55

5. Natural well-orderings

   • John N. Crossley
   • Jane Bridge Kister

   OriginalPaper Pages: 57 - 76

6. Parallelizable algebras

   • Matthias Ragaz

   OriginalPaper Pages: 77 - 99

7. Coding in the existential theory of concatenation

   • J. Richard Büchi
   • Steven Senger

   OriginalPaper Pages: 101 - 106

8. Archive for mathematical logic

   Announcement Pages: 107 - 107

9. Model existence theorem in superrelevant predicate logics

   • Mirosław Szatkowski

   OriginalPaper Pages: 111 - 121

10. Garnir's dream spaces with Hamel bases

    • Norbert Brunner

    OriginalPaper Pages: 123 - 126

11. Localization of a theorem of Ambos-Spies and the strong anti-splitting property

    • R. G. Downey

    OriginalPaper Pages: 127 - 136

12. Degree-theoretic bounds on the morley rank

    • C. T. Chong

    OriginalPaper Pages: 137 - 145

13. On cut elimination in the presence of perice rule

    • L. Gordeev

    OriginalPaper Pages: 147 - 164

14. A note on forking and normalization

    • John B. Vaughn

    OriginalPaper Pages: 165 - 168

15. A note on proofs of falsehood

    • Jan Krajíček

    OriginalPaper Pages: 169 - 176

16. Unramified forcing preserving the law of double negation

    • Alexander Abian
    • Kyriakos Keremedis

    OriginalPaper Pages: 177 - 180