1. Hilbert's ɛ-operator and classical logic

   • J. L. Bell

   OriginalPaper Pages: 1 - 18

2. Anti-foundation and self-reference

   • Colin McLarty

   OriginalPaper Pages: 19 - 28

3. On the logic of informational independence and its applications

   • Gabriel Sandu

   OriginalPaper Pages: 29 - 60

4. Intentional identity generalized

   • Jeffrey C. King

   OriginalPaper Pages: 61 - 93

5. The semantics ofR4

   • Edwin D. Mares
   • Robert K. Meyer

   OriginalPaper Pages: 95 - 110