# Definition of logical operation in US English:

## logical operation

### noun

• 1An operation of the kind used in logic, e.g. conjunction or negation.

• ‘Be that as it may, I'll just give an idea how an intuitionist's understanding of the elementary logical operations transforms the classical rules governing their use.’
• ‘The disclosure of the nothing is not achieved by performing the logical operation of negation on the world as a whole as thus revealed.’
• ‘Recursion is just a basic logical operation, which you can find not just in human language but in computer programs and mathematical notation.’
1. 1.1Computing An operation that acts on binary numbers to produce a result according to the laws of Boolean logic (e.g. the AND, OR, and NOT functions).
• ‘The arithmetic operations can be replaced by logical operations, which are performed using Boolean algebra.’
• ‘Going beyond the NOT gate to other logical operations calls for just a little more complexity.’
• ‘I went to Radio Shack, bought about 20 relays, and spent the next few months building increasingly complex logical operations, including little adders that could calculate the sums of binary numbers.’
• ‘It used only simple logical operations on small groups of bits and could be implemented fairly efficiently in the mid-1970s hardware of the time.’
• ‘At the time, they had only just invented the term cybernetics, which they used to refer to the connection of logical operations that could get a transistor to perform.’