Philosophy Lexicon of Arguments

Propositional function: open sentence E.g. "Something is green", "x is green" - neither true nor false. A propositional function has an argument position (variable) in which an expression can be inserted. Only after inserting we can decide whether the then complete sentence is true or false.

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.
Author Item    More concepts for author
Quine, Willard Van Orman Propositional Functions   Quine, Willard Van Orman
Russell, Bertrand Propositional Functions   Russell, Bertrand

Ed. Martin Schulz, access date 2017-09-23