Philosophy Lexicon of Arguments

General validity: within a calculus a formula that is satisfied by any interpretation (variable assignment with expressions for objects) is valid. See also satisfaction, satisfiability, interpretation.

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
Boer, Steven E. Validity   Boer, Steven E.
Cresswell, M.J. Validity   Cresswell, M.J.
Evans, Gareth Validity   Evans, Gareth
Logic Texts Validity   Logic Texts
Lorenzen, Paul Validity   Lorenzen, Paul
Mates, B. Validity   Mates, B.
Nagel, Thomas Validity   Nagel, Thomas
Quine, Willard Van Orman Validity   Quine, Willard Van Orman
Searle, John R. Validity   Searle, John R.
Stalnaker, R. Validity   Stalnaker, R.

Ed. Martin Schulz, access date 2017-09-20