• || || ... 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.
• Or[, ,
can be input in StandardForm
... . The character
can be entered as ||
evaluates its arguments in a non-standard way (see Section A.4.2
gives symbolic results when necessary, removing initial arguments that are False
• New in Version 1; modified in 3.