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Monsters in Kaplan’s Logic of Demonstratives

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    Rights statement: © Rabern, B. (2013). Monsters in Kaplan’s Logic of Demonstratives. Philosophical Studies, 164(2), 393-404. 10.1007/s11098-012-9855-1

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Original languageEnglish
Pages (from-to)393-404
Number of pages11
JournalPhilosophical Studies
Issue number2
StatePublished - 1 Jun 2013


Kaplan (1989a) insists that natural languages do not contain displacing devices that operate on character—such displacing devices are called monsters. This thesis has recently faced various empirical challenges (e.g., Schlenker 2003; Anand and Nevins 2004). In this note, the thesis is challenged on grounds of a more theoretical nature. It is argued that the standard compositional semantics of variable binding employs monstrous operations. As a dramatic first example, Kaplan’s formal language, the Logic of Demonstratives, is shown to contain monsters. For similar reasons, the orthodox lambda-calculus-based semantics for variable binding is argued to be monstrous. This technical point promises to provide some far-reaching implications for our understanding of semantic theory and content. The theoretical upshot of the discussion is at least threefold: (i) the Kaplanian thesis that “directly referential” terms are not shiftable/bindable is unmotivated, (ii) since monsters operate on something distinct from the assertoric content of their operands, we must distinguish ingredient sense from assertoric content (cf. Dummett 1973; Evans 1979; Stanley 1997), and (iii) since the case of variable binding provides a paradigm of semantic shift that differs from the other types, it is plausible to think that indexicals—which are standardly treated by means of the assignment function—might undergo the same kind of shift.

    Research areas

  • Monsters , Variables, Binding, Quantifiers, Lambda binders, Logic of demonstratives, Direct reference, Assignment function, Ingredient sense, What is said, Bound pronouns, Semantics, Compositionality, Kaplan

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