Introduction

Gerhard Schurz, Hannes Leitgeb

1-5

The case for psychologism in default and inheritance reasoning

Francis Jeffry Pelletier, Renée Elio

7-35

Non-monotonic reasoning from an evolution-theoretic perspective

ontic, logical and cognitive foundations

Gerhard Schurz

37-51

An overview of possibilistic handling of default reasoning, with experimental studies

Salem Benferhat, Jean F. Bonnefon, Rui da Silva Neves

53-70

Human nonmonotonic reasoning

the importance of seeing the logical strength of arguments

Marilyn Ford

71-92

Coherence and nonmonotonicity in human reasoning

Niki Pfeifer, Gernot D. Kleiter

93-109

On the quantitative scalar or-implicature

Leon Horsten

111-127

On a proportionality analysis of syllogistic private reasoning

Ernest W. Adams

129-138

Probabilistic logic under coherence, conditional interpretations, and default reasoning

Angelo Gilio

139-152

Nonmonotonic probabilistic reasoning under variable-strength inheritance with overriding

Thomas Lukasiewicz

153-169

Answer sets and qualitative decision making

Gerhard Brewka

171-187

Interpreted dynamical systems and qualitative laws

from neural networks to evolutionary systems

Hannes Leitgeb

189-202

The temporal dimension of thought

Markus Werning

203-224