| Summary: | Building on previous works which argued that scalar implicatures can be computed in embedded positions, this paper proposes a constraint on exhaustification (an economy condition) which restricts the conditions under which an exhaustivity operator can be licensed. We show that this economy condition allows us to derive a number of generalizations, such as, in particular, the ‘Implicature Focus Generalization’: scalar implicatures can be embedded under a downward-entailing operator only if the (relevant) scalar term bears pitch accent. Our economy condition also derives specific predictions regarding the licensing of so-called Hurford disjunctions.
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