Actuality Inferences: Causality, Aspect, and Modality

Prerna Nadathur

2023년 3월 · Oxford Studies in Semantics and Pragmatics 15권 · Oxford University Press

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This book investigates the phenomenon of actuality inferences, in which claims of ability are-in certain temporal contexts-interpreted as descriptions of actual events, instead of as descriptions of potentialities or possibilities. Although actuality inferences evidently arise in the interaction between modality and aspect, they have long resisted compositional explication in standard treatments of these semantic categories. Prerna Nadathur here pursues a new approach, in which actuality inferences are linked to a novel component in the semantics of ability: causal dependence relations. The account is developed through a comparative, crosslinguistic semantic analysis of three predicate classes that license similar inferences: implicative verbs in Finnish and English, enough/too predicates in French and English, and (modal) ability predicates in French, Hindi, and English. Similarities in the inferential profiles of these predicates are tied to their shared causal background structure, while their differences-including in sensitivity to grammatical aspect-derive from differences in asserted content and associated aspectual class contrasts. The central argument is that a complex causal structure for ability interacts with the compositional requirements of aspect to derive the observed actuality-ability ambiguity. The volume shows that causal structure and causal relationships shape patterns of linguistic inference beyond the overtly causal domain, and thus contributes to a new and growing body of research in which formal, computational causal models are employed as an analytic tool for lexical and compositional semantics.

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Prerna Nadathur is Assistant Professor in the Department of Linguistics at The Ohio State University. Her research examines connections between lexical meaning and sentence-level patterns of semantic and pragmatic interpretation, with a focus on formal approaches to the representation of causal meaning across the lexical and compositional levels. She received her PhD in Linguistics from Stanford University in 2019, and has since held positions at Heinrich Heine University in Düsseldorf, Berkeley, and the University of Konstanz.