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In this paper we develop the beginnings of a tableau system for natural logic, the logic that is present in ordinary language and that us used in ordinary reasoning. The system is based on certain terms of the typed lambda calculus that can go proxy for linguistic forms and which we call Lambda Logical Forms. It is argued that proof-theoretic methods like(More)
Eindhoven. Het is gefinancierd door het Samenwerkingsorgaan Brabantse Univer-siteiten (SOBU), onder projectcode 99-M, Hintikka's revolution in the foundations of mathematics. Preface People compare the process of writing a PhD-thesis with all kinds of things. When I had just decided to undertake this adventure, I was very happy to hear from a recent(More)