Mathematica > Mathematics and Algorithms > Discrete Mathematics > Boolean Computation > Or (||, )
Mathematica > Mathematics and Algorithms > Logic & Boolean Algebra > Boolean Computation > Or (||, )
Mathematica > Mathematics and Algorithms > Graphs & Networks > Graph Programming > Boolean Computation > Or (||, )
BUILT-IN MATHEMATICA SYMBOL

Or


is the logical OR function. It evaluates its arguments in order, giving True immediately if any of them are True, and False if they are all False.

DetailsDetails

  • Or[e1, e2, ...] can be input in StandardForm and InputForm as . The character can be entered as Esc||Esc, EscorEsc, or \[Or].
  • Or has attribute HoldAll, and explicitly controls the evaluation of its arguments. In the are evaluated in order, stopping if any of them are found to be True.
  • Or gives symbolic results when necessary, removing initial arguments that are False.
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