A linguistics professor was lecturing to his English class one day. \"In English,\" he said, \"A double negative forms a positive. In some languages, though, such as Russian, a double negative is still a negative. However, there is no language wherein a double positive can form a negative.\"
A voice from the back of the room piped up, \"Yeah, right.\"
A voice from the back of the room piped up, \"Yeah, right.\"
