|Derivability: question which statements can be obtained according to the rules of a calculus._____________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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|P. Lorenzen Ein dialogisches Konstruktivitätskriterium (1959) in Karel Berka/L. Kreiser Logik Texte Berlin, 1983
Berka I 269
Derivability/Lorenzen: derivability is equivalent to the existence of a profit strategy. In the semantic tableau with the seclusion.
Heyting's formalization is dialogically complete. I.e. every statement which is valid in the dialogical sense is derivable and vice versa._____________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.
Constructive Philosophy Cambridge 1987
K. Berka/L. Kreiser
Logik Texte Berlin 1983