Abstract

This article proposes an explanation of the way information about time is conveyed in Navajo.1 We assume that all sentences have a temporal interpretation, direct or indirect. We have two main purposes in this article. The first is to discuss temporal interpretation in this Athabaskan language. The Navajo temporal system, which is varied, has not yet been described in detail. Further, the language allows sentences without explicit temporal information. In such sentences temporal interpretation is indirect - arrived at by inference. We outline the principles underlying the default inferences. Our second purpose is to show that a few general principles of temporal interpretation, which hold for some other languages, apply very nicely to Navajo. The principles include semantic rules for 1 interpreting explicit expressions about time, and pragmatic principles for inferring temporal location indirectly. The applicability of these principles to Navajo is a satisfying though unsurprising result; but it is worth working out explicitly. The temporal system of Navajo offers a future verb inflection, temporal particles, and temporal adverbs. Although a well-formed sentence need not have any of these forms, speakers consistently agree on temporal interpretation. To account for these facts, we must consider sentences with and without direct temporal information. In this article we propose semantic and pragmatic principles that account for both types of cases. The temporal interpretation of all sentences is deictically based. For sentences without direct temporal forms, aspectual information allows the inference of temporal location. We propose three general pragmatic principles to account for this, which we call temporal interpretation: the Deictic Principle, the Bounded Event Constraint, and a Simplicity Principle. The key factor in temporal inference is boundedness, direct or inferred. To arrive at the inference of boundedness we use the Temporal Schema Principle, a special case of the simplicity principle..