Definicja Boolean

Co znaczy BOOLEAN:

Of or relating to a logical combinatorial system developed in the 19th Century by English mathematician George Boole, used to represent symbolic relationships (AND, OR, and NOT) between entities (sets or propositions) in computer operations.

Example If A = B, A is true only if B is true. If A = B AND C, A is true only if both B and C are true. If A = B NOT C, A is true only if B is true and C is not.