A sentence is called a contradiction if its truth table contains only false entries.
Contradiction
See also
Consistency Strength, Contingency, Tautology, Truth TableExplore with Wolfram|Alpha
References
Carnap, R. Introduction to Symbolic Logic and Its Applications. New York: Dover, p. 13, 1958.Referenced on Wolfram|Alpha
ContradictionCite this as:
Weisstein, Eric W. "Contradiction." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Contradiction.html