1.  29
    James P. Delgrande & Francis Jeffry Pelletier (1998). A Formal Analysis of Relevance. Erkenntnis 49 (2):137-173.
    We investigate the notion of relevance as it pertains to ‘commonsense’, subjunctive conditionals. Relevance is taken here as a relation between a property (such as having a broken wing) and a conditional (such as birds typically fly). Specifically, we explore a notion of ‘causative’ relevance, distinct from ‘evidential’ relevance found, for example, in probabilistic approaches. A series of postulates characterising a minimal, parsimonious concept of relevance is developed. Along the way we argue that no purely logical account of relevance (even (...)
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  2.  2
    James P. Delgrande & Torsten Schaub (2002). Reasoning Credulously and Skeptically Within a Single Extension. Journal of Applied Non-Classical Logics 12 (2):259-285.
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    James P. Delgrande, Abhaya C. Nayak & Maurice Pagnucco (2005). Gricean Belief Change. Studia Logica 79 (1):97 - 113.
    One of the standard principles of rationality guiding traditional accounts of belief change is the principle of minimal change: a reasoner's belief corpus should be modified in a minimal fashion when assimilating new information. This rationality principle has stood belief change in good stead. However, it does not deal properly with all belief change scenarios. We introduce a novel account of belief change motivated by one of Grice's maxims of conversational implicature: the reasoner's belief corpus is modified in a minimal (...)
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