> <cfif isSmoker XOR isBlueHair>
>         Winner!
> </cfif>

> <cfif not (isSmoker and isBlueHair)>
>         Winner!
> </cfif>

These two are not logically eqivalent.  An Exclusive OR (XOR) follows
a logic pattern like this:

A | B |  A XOR B
0 | 0 |       0
1 | 0 |       1
0 | 1 |       1
1 | 1 |       0

Hatton

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