logical OR
RU: логическое ИЛИ
A boolean operation that returns true (1) if at least one input is true (1); returns false (0) only when both inputs are false (0). This is inclusive or. In code: || or or. Truth table: 0 OR 0 = 0, 0 OR 1 = 1, 1 OR 0 = 1, 1 OR 1 = 1.