1. Conservative extensions of models of arithmetic

   • Andreas Blass

   OriginalPaper Pages: 85 - 94

2. Extensions of countable infinitary logic which preserve most of its nice properties

   • Leo Harrington

   OriginalPaper Pages: 95 - 102

3. Interpreting number theory in nilpotent groups

   • Wilfrid Hodges

   OriginalPaper Pages: 103 - 111

4. Cofinalities of complete boolean algebras

   • Sabine Koppelberg

   OriginalPaper Pages: 113 - 123

5. On the reconstruction of boolean algebras from their automorphism groups

   • Matatyahu Rubin

   OriginalPaper Pages: 125 - 146

6. Ultrapowers and boolean ultrapowers of θ and θ₁

   • Bernd Koppelberg

   OriginalPaper Pages: 147 - 153

7. Splitting lattices of logics

   • Wolfgang Rautenberg

   OriginalPaper Pages: 155 - 159

8. Der Beweis eines Satzes von G. Choodnovsky

   • Kurt Wolfsdorf

   OriginalPaper Pages: 161 - 171

9. Expansions of models of ZFC

   • T. B. Flannagan

   OriginalPaper Pages: 173 - 180