Revealing Criterial Vagueness in Inconsistencies

Spatial Vagueness and Second-Order Vagueness

This paper presents a geometric characterization of geographic objects with vague boundaries. Since the framework is based on ordering geometry and does not rely on numerical concepts, it can be applied to qualitative spatial reasoning. The characterization describes vague regions and gradual transitions between two vague regions. This approach takes into account that the region of all points t...

Vagueness: Subvaluationism

∗I would like to thank the editors Kathrin and Peter and an anonymous reviewer of Philosophy Compass for suggestions to improve the final version. Further thanks go to my colleagues Paul Egré, David Ripley and Robert van Rooij and the Australian philosopher and paraconsistent logician Dominic Hyde for discussion and comments at different stages. Thanks also to Pablo Visiers. This work was done ...

Intentional Vagueness ∗

This paper analyzes communication with a language that is vague in the sense that identical messages do not always result in identical interpretations. It is shown that strategic agents frequently add to this vagueness by being intentionally vague, i.e. they deliberately choose less precise messages than they have to among the ones available to them in equilibrium. Having to communicate with a ...

Vagueness in Reality

Vagueness in Political Discourse

The paper presents two studies on vagueness in political discourse. The first is a qualitative analysis of the commonsense definition of vagueness and related notions in political discourse. Participants were submitted two fragments of real political argumentations and a questionnaire asking to rate them as to vagueness, sincerity, persuasiveness and other criteria. They showed that two aspects...