|Definition:|| knowledge that reduces or removes uncertainty about the occurrence of a specific event from a given set of possible events|
Note 1 to entry: In information theory, the concept "event" is to be understood as used in the theory of probability. For instance, an event can be:
- the presence of a specific element in a given set of elements;
- the occurrence of a specific character or word in a given message or in a given position of a message;
- any one of the distinct results an experiment can yield.