logic

US /ˈlɑː.dʒɪk/
UK /ˈlɑː.dʒɪk/
"logic" picture
1.

reasoning conducted or assessed according to strict principles of validity

:
The logic of his argument was undeniable.
There's no logic in what you're saying.
2.

a system or set of principles underlying the arrangements of elements in a computer or electronic device so that it can perform certain tasks

:
The computer's internal logic processes data efficiently.
The circuit board's logic gates control the flow of electricity.