Logical Theories of Questions
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The aim of this Chapter is two-fold. First, we shall introduce here the basic terminology and notation used throughout this book. Second, we shall present here an outline of the logical analysis of questions and answers. We shall concentrate on the already existing proposals; the syntactic and semantic assumptions of our further analysis will be described in detail in the next chapters.
KeywordsFree Variable Epistemic State Logical Theory Direct Answer Nominal Alternative
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- 1.In the book Harrah (1963) questions are defined for the language of classical predicate calculus with identity and individual constants, but without function symbols. The proposed definitions, however, may be applied in the case of each first-order language with identity whose vocabulary contains some closed terms and the above-specified logical constants; the assumption concerning the existence of closed terms allows us to define direct answers to which-questions.Google Scholar
- 2.Let us recall that the reference to a questioner is already present in the logical form of a question.Google Scholar
- 3.In his books Kubiński uses the language of classical predicate calculus with identity and individual constants (but without function symbols) as the point of departure.Google Scholar
- 5.The same can be said about the question “Is John handsome and intelligent?” provided that it is interpreted as a shortland of (2.88).Google Scholar