A nominalistic proof of the conservativeness of set theory Hartry Field OriginalPaper Pages: 111 - 123
Quantifier-free versions of first order logic and their psychological significance Jan Mycielski OriginalPaper Pages: 125 - 147
Structural accessibility and similarity of possible worlds Thomas Mormann OriginalPaper Pages: 149 - 172
Körner's criterion of relevance and analytic tableaux Joachim Schröder OriginalPaper Pages: 183 - 192
Simplified semantics for basic relevant logics Graham PriestRichard Sylvan OriginalPaper Pages: 217 - 232