1. Predicate calculi with adjectives and nouns

   OriginalPaper Pages: 21 - 26

2. Presupposition and two-dimensional logic

   • Merrie Bergmann

   OriginalPaper Pages: 27 - 53

3. Conditional obligation and counterfactuals

   • Judith Wagner Decew

   OriginalPaper Pages: 55 - 72

4. On the philosophical basis of essentialist theories

   • Graeme Forbes

   OriginalPaper Pages: 73 - 99

5. Intuitionist type theory and foundations

   • J. Lambek
   • P. J. Scott

   OriginalPaper Pages: 101 - 115

6. Validity and quantification in intuitionism

   • H. C. M. de Swart
   • C. J. Posy

   OriginalPaper Pages: 117 - 126