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The aim of this Chapter is to introduce the basic semantic tools which will be used in our further considerations. The semantics which we are going to present is basically a version of model-theoretical semantics; some new concepts are introduced for the purposes of erotetic analysis. The semantic concepts defined below pertain to any of the formalized languages for which we defined in Chapter 3 the concept of question.
KeywordsFinite Subset Semantic Concept Direct Answer Normal Question Universal Closure
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- 2.Cf., e.g., Wójcicki (1984).Google Scholar
- 3.The paper Wiśniewski (1987) is an abstract of the paper presented at the VIII International Congress of Logic, Methodology and Philosophy of Science, Moscow 1987. For some mysterious reasons the organizers retyped the manuscript before printing without making any proof reading. As a result this paper presumably wins the world record for misprints.Google Scholar
- 4.Cf. Belnap & Steel (1976), p. 126.Google Scholar
- 5.In Belnap’s terminology a prospective presupposition is a d-wff which expresses the presupposition of the question.Google Scholar
- 6.Buszkowski, who in fact introduced this concept (cf. Buszkowski, 1989), uses here the term correct question. Google Scholar
- 7.The definition proposed above is similar to that given by Popper (cf. Popper, 1959, p. 120), who, however, uses the concept of derivability. Google Scholar
- 8.A similar idea was suggested by Belnap (cf. Belnap, 1963, Chapter 7.7, or Belnap & Steel, 1976, p. 73). Belnap, however, does not apply it in his general considerations.Google Scholar