|Contradictions, philosophy: A. Contradiction in a broad sense is conceived in philosophy, for example, in Hegel or Marx, as a fruitful contrast, which gives rise to a further development. B. In bivalent logic, a contradictory statement is a statement of the form A and non-A. Statements of this form cannot be true. See also consistency, theorem of contradiction, multi-valued logic._____________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. |
Def contraction: make one application out of two: e.g. "If A, then if A, then ... " > "If A. ...". - Def consequentia mirabilis: If A then not A, therefore not A"._____________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. The note [Author1]Vs[Author2] or [Author]Vs[term] is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.
Me I Albert Menne Folgerichtig Denken Darmstadt 1988
HH II Hoyningen-Huene Formale Logik, Stuttgart 1998
Re III Stephen Read Philosophie der Logik Hamburg 1997
Sal IV Wesley C. Salmon Logik Stuttgart 1983
Sai V R.M.Sainsbury Paradoxien Stuttgart 2001