Randy is right, OR is not equivalent to the original expression. The difference appears when both A and B are true. XOR (exclusive or), available in many programming languages, means that one of the two conditions is true, but not both.
>Hi Hilmar
>
>Is it
>
>A OR B
>
>:-)
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
