disjunction


A disjunctionMathworldPlanetmath is true if either of its parameters (called disjuncts) are true. Disjunction does not correspond to “or” in English (see exclusive or.) Disjunction uses the symbol or sometimes + when taken in algebraic context. Hence, disjunction of a and b would be written

ab

or

a+b

The truth tableMathworldPlanetmath for disjunction is

a b ab
F F F
F T T
T F T
T T T
Title disjunction
Canonical name Disjunction
Date of creation 2013-03-22 11:54:40
Last modified on 2013-03-22 11:54:40
Owner akrowne (2)
Last modified by akrowne (2)
Numerical id 14
Author akrowne (2)
Entry type Definition
Classification msc 03B05
Synonym logical or
Synonym disjunctive truth function
Related topic ConjunctionMathworldPlanetmath
Related topic PropositionalLogic