The term in logic used to describe the operation commonly known as OR. A literal is considered a (degenerate) disjunction (Mendelson 1997, p. 30).

Mendelson, E. Introduction to Mathematical Logic, 4th ed. London: Chapman & Hall, 1997.

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Weisstein, Eric W. "Disjunction." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/Disjunction.html