👉 In logic and mathematics, a "coincidence" is an event or situation that does not follow the natural order of things. It can be either a physical occurrence or a theoretical concept. A common example of a coincidence in everyday life is when you see a familiar face at a restaurant and think it's a friend. However, this is not necessarily true because there could be other people present who are also friends with that person. Similarly, if you hear someone say "I'm going to the