1. Ghosts and categorial mistakes

   • Everett W. Hall

   OriginalPaper Pages: 1 - 6

2. On reduction

   • John G. Kemeny
   • Paul Oppenheim

   OriginalPaper Pages: 6 - 19

3. Further remarks on definition and analysis

   • Irving M. Copi

   OriginalPaper Pages: 19 - 24

4. On a certain use of quotation marks

   • G. P. Henderson

   OriginalPaper Pages: 24 - 29

5. Books received

   Announcement Pages: 30 - 31

6. Competition results and announcement of 1956 competition

   Legacy Pages: 31 - 32

7. Mr. Weiss on the paradox of necessary truth

   Erratum Pages: 32 - 32