@misc{Lexicon of Arguments, title = {Quotation from: Lexicon of Arguments – Concepts - Ed. Martin Schulz, 29 Mar 2024}, author = {Wessel, H.}, subject = {Operators}, note = {I 1 logical operators/Wessel: e.g. and, not, or, all, some, "the fact that", "the non-fact that". >Connectives, >Logical constants. Terms/Wessel: e.g "the fact that metals conduct electricity ’"H2O", "brother and sister", "divisible by three" ... No terms are: and, all, in, or, "the earth revolves around the sun". I 131 Operator/Wessel: must not occur more than once in provable formulas of propositional logic. >Propositional logic, >Proofs, >Provability, >Logical formulas. ((s)Operator/(s): (e.g. subjunction) does not lead to paradoxes, because it is not "predicated of something" like predicates (implication). ((s) Operator / (s): rather purely formal - in contrast: predicate: content). >Predicates, >Predication.}, note = { Wessel I H. Wessel Logik Berlin 1999 }, file = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=253386} url = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=253386} }