(thing) by ariels Mon Jun 12 2000 at 13:13:05
A logical and of several (generally more than 2) "terms". Since logical and is an associative binary operation, this makes sense.

Often denoted with a large "^", used like a \prod (Pi) or an integral sign: x1 ^ ... ^ xn is 

    n
   /\
  /  \    x
  i = 1    i

I like it!