Logical operators work on Boolean (true/false) values. These values often come as Boolean Constants and Comparison Operators.
| Logical Operators | |||
|---|---|---|---|
| Operator | Name | Example | Comments |
| NOT | Logical Negation | NOT a | |
| AND | Logical Conjunction | a AND b | |
| OR | Logical Disjunction | a OR b | |
| XOR | Logical Exclusive Disjunction | a XOR b | |
Also known as Boolean negation.
| not true | false |
| not false | true |
Also known as a Boolean product.
| false and false | false |
| false and true | false |
| true and false | false |
| true and true | true |
Also known as Boolean addition.
| false or false | false |
| false or true | true |
| true or false | true |
| true or true | true |
The exclusive or. “You can have you cake XOR you can eat it.”
| false xor false | false |
| false xor true | true |
| true xor false | true |
| true xor true | false |