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This volume contains a selection of papers presented at a Seminar on Intensional Logic held at the University of Amsterdam during the period September 1990-May 1991. Modal logic, either as a topic or as a tool, is common to most of the papers in this volume. A number of the papers are con cerned with what may be called well-known or traditional modal systems, but, as a quick glance through this volume will reveal, this by no means implies that they walk the beaten tracks. In deed, such contributions display new directions, new results, and new techniques to obtain familiar results. Other papers in this volume are representative examples of a current trend in modal logic: the study of extensions or adaptations of the standard sys tems that have been introduced to overcome various shortcomings of the latter, especially their limited expressive power. Finally, there is another major theme that can be discerned in the vol ume, a theme that may be described by the slogan 'representing changing information. ' Papers falling under this heading address long-standing issues in the area, or present a systematic approach, while a critical survey and a report contributing new techniques are also included. The bulk of the papers on pure modal logic deal with theoreti calor even foundational aspects of modal systems.
Inhaltsverzeichnis
Beyond Accessibility: Functional Models for Modal Logic.- Modal Logic and Attribute Value Structures.- Interpreting Modal Natural Deduction in Type Theory.- Modal Translations in K and D.- Logical Omniscience and Inconsistent Belief.- Cautious Backtracking in Truth Maintenance Systems.- How Completeness and Correspondence Theory Got Married.- Dyadic Modalities and Lambek Calculus.- A Logic with Progressive Tenses.- The Complexity of Propositional Tense Logics.- On Total Awareness Logics.- Completeness via Completeness: Since and Until.- The Feasibility of Defeat in Defeasible Reasoning.
Zusammenfassung
This volume contains a selection of papers presented at a Seminar on Intensional Logic held at the University of Amsterdam during the period September 1990-May 1991.
