<Malagmyr> This linguistics professor was lecturing the class.
              <Malagmyr> "In English," he explained, "a double negative
              forms a positive. In some languages, such as Russian, a double
              negative is still a negative."
              <Malagmyr> "However," the professor continued, "there is no
              language wherein a double positive can form a negative."
              <Malagmyr> Immediately, a voice from the back of the room
              piped up: "Yeah..... right...."