|Criteria: do not follow from a definition but must be developed. The criteria for the application of a concept to an object are more concerned with language practice in a community. E.g. the definition of truth does not provide a criterion for which sentences are true.|
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Verifiability Criterion/Hempel: the domain of cognitively significant language is that of potential knowledge, i.e. the verifiable domain.
Empiricist Criterion of Meaning/Hempel: Verifiability, but not actual, but in principle, otherwise "Planet Neptune did not exist prior to his discovery" is possible - it is enough that the impossibility of the verifiability is "merely empirical" - "empirically impossible"/metaphysically impossible?
Empiricist Criterion of Meaning/Carnap/Hempel: Solution: translatability into empiricist (artificial, ideal) language.
Translations are indirectly a partial interpretation of the hypothesis and the constructions through which they are formulated.
Empiricist Criterion of Meaning: a linguistic design, neither true nor false.
1) The explication should provide a nearly complete analysis of the generally accepted sense of the explicandum.
2) It is supposed to carry out a rational reconstruction of the explicandum.
I Hempel Zur Wahrheitstheorie des logischen Positivismus aus Wahrheitsheorien Hrsg. Skirbekk Frankfurt/M 1996
II Hempel Probleme und Modifikationen des empiristischen Sinnkriteriums aus Sinnreich (Hg) Philosophie der idealen Sprache, München 1982
II (b) Hempel Der Begriff der kognitiven Signifikanz: eine erneute Betrachtung (1951) aus Sinnreich (Hg) Philosophie der idealen Sprache, München 1982