Which is a winning combination of digits?The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
There is no language wherein a double positive can form a negative
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."