Economics Dictionary of ArgumentsHome
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| General validity: A. within a calculus a formula that is satisfied by any interpretation (variable assignment with expressions for objects) is valid. See also satisfaction, satisfiability, interpretation.
B.
Validity For Jürgen Habermas, validity refers to the normative standards underlying communicative actions. It involves claims to truth (objective reality), rightness (moral norms), and sincerity (subjective intentions). These validity claims are assessed through rational discourse, aiming for mutual understanding and consensus, forming the basis of his theory of communicative action._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. | |||
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Maxwell J. Cresswell on Validity - Dictionary of Arguments
Hughes I 65ff Validity/Hughes/Cresswell: No structural property of formulas, no relation between formulas. - In contrast: derivability relation between formulas. >Derivability, >Formulas. Yet the set of the derived and the valid formulas in a system are identical. Hughes I 119 Validity/propositional calculus: truth tables are not sufficient for an evaluation of formulas in the propositional calculus. >Predicate calculus. Because we can not assign truth values to individual variables and predicate variables. >Truth values, >Valuation._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition. |
Cr I M. J. Cresswell Semantical Essays (Possible worlds and their rivals) Dordrecht Boston 1988 Cr II M. J. Cresswell Structured Meanings Cambridge Mass. 1984 Hughes I G.E. Hughes Maxwell J. Cresswell Einführung in die Modallogik Berlin New York 1978 |
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