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This paper experimentally investigates presupposition projection from the scope of the quantifiers every and at least one, as triggered by the factive verb be aware and the iterative adverb again.
The first issue we are concerned with is whether presuppositions project universally or existentially from quantified sentences. Different theoretical accounts endorse opposing views here (e.g., Heim, 1983; Geurts, 1999; Beaver, 2001; Schlenker, 2008, 2009; Fox, 2012), while recent experimental work (Chemla, 2009; Tiemann, 2014) suggests that the force of the projected presupposition varies by quantifier.
The second issue we look at is how the descriptively observed readings arise—in particular, as a direct result output from the projection mechanism, or via additional, independent mechanisms such as domain restriction (e.g., Geurts and van Tiel, 2016): if the domain of the quantifier is restricted, this can yield what looks like non-universal inferences in light of the overall, unrestricted domain, even if the projection mechanism itself yields a universal presupposition. Finally, we test whether the presupposed content also forms part of the entailed content, at least for certain triggers (Sudo, 2012; Klinedinst, 2016; Zehr and Schwarz, 2016).
Our results yield clearly different patterns for every and at least one, with every giving rise to universal presuppositions, which, to a very limited extent, can be weakened by domain restriction, and at least one overwhelmingly giving rise to non-universal presuppositions. Our results also indicate the availability of presupposition-less readings for both triggers in the task at hand, apparently more prevalent than domain restriction. Thereby, we present novel evidence that helps to pinpoint which of the theoretical options can be substantiated experimentally.
Recent work by Sudo (2012) and Klinedinst (2016) proposes a new perspective on differences between classes of presupposition triggers, with an empirical split roughly mirroring Abusch’s (2002) hard vs. soft distinction and related notions. These two authors propose that triggers differ in whether or not their presuppositional content simultaneously affects the calculation of the presuppositions and of the entailments of the sentences in which they appear.
Drawing on a proposal by Glanzberg (2005) we formulate the Removability/Independence Hypothesis: triggers that do not affect entailments are triggers that can be left out of sentences without affecting interpretability. We experimentally test the hypothesis by embedding 'return', '(go) again' and '(go) back' in non-monotonic environments, which Sudo argues to elicit differences in presuppositions and entailments. Our results provide clear evidence against the RI hypothesis: whereas only the trigger 'return' is crucial for the sake of interpretability, all three triggers produced similar results. At the same time, data for the triggers 'stop' and 'also', included as controls, lend further support in favor of Sudo’s entailment-contrast proposal.
This paper presents two experimental studies investigating the processing of presupposed content. Both studies employ the German additive particle auch (too). In the first study, participants were given a questionnaire containing bi-clausal, ambiguous sentences with 'auch' in the second clause. The presupposition introduced by auch was only satisfied on one of the two readings of the sentence, and this reading corresponded to a syntactically dispreferred parse of the sentence. The prospect of having the auch-presupposition satisfied made participants choose this syntactically dispreferred reading more frequently than in a control condition. The second study used the self-paced-reading paradigm and compared the reading times on clauses containing auch, which differed in whether the presupposition of auch was satisfied or not. Participants read the clause more slowly when the presupposition was not satisfied. It is argued that the two studies show that presuppositions play an important role in online sentence comprehension and affect the choice of syntactic analysis. Some theoretical implications of these findings for semantic theory and dynamic accounts of presuppositions as well as for theories of semantic processing are discussed.
Focus marking in Kikuyu
(2003)
In Kikuyu, a Bantu language spoken in Kenya, focus is marked systematically by means of word order. In this study, the different possibilities for marking focus in question answer sequences are presented. After an overview of the discussions of the phenomenon in the literature, a syntactic account for focus constructions with the particle ne is proposed. This account is based on original data that was gathered with a native speaker. In addition, new data on focusing different parts of the sentence, e.g. the VP, the entire sentence, or the truth-value, are presented. The aim of this study thus is to broaden the descriptive basis for focus constructions in Kikuyu and to provide a theoretical contribution to their analysis in the framework of generative grammar.