Michel Fortin wrote: > On 2009-08-07 06:50:25 -0400, "Lars T. Kyllingstad" > <pub...@kyllingen.nospamnet> said: > >> Daniel Keep has proposed the syntax >> >> a*^b >> >> while my suggestion was >> >> a^^b > > I always wondered why there isn't an XOR logical operator. > > binary logical > (a & b) => (a && b) > (a | b) => (a || b) > (a ^ b) => (a ^^ b)
a | b | a ^^ b | a != b ---+---+--------+-------- F | F | F | F F | T | T | T T | F | T | T T | T | F | F That's why.