Some theorems on the expressive limitations of modal languages Harold T. Hodes OriginalPaper Pages: 13 - 26
Confirmation of a conjecture of Peter of Spain concerning question-begging arguments Jim Mackenzie OriginalPaper Pages: 35 - 45
A logical study of the correspondence relation David PearceVeikko Rantala OriginalPaper Pages: 47 - 84
The provability logics of recursively enumerable theories extending peano arithmetic at arbitrary theories extending peano arithmetic Albert Visser OriginalPaper Pages: 97 - 113