Britannica Dictionary definition of LOGIC
1
a
:
a proper or reasonable way of thinking about or understanding something
[noncount]
-
If you just use a little logic, you'll see I'm right.
-
the rules of logic
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There's no logic in/to your reasoning.
-
I can't see the logic in always worrying about the future. = Where's the logic in always worrying about the future?
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There's some logic to/in what he says.
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She kept the dog, against all logic, after it attacked her. [=her decision to keep the dog was not logical/sensible]
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Her decision defies logic. [=her decision makes no sense; her decision is not logical]
[singular]
b
[noncount]
:
a particular way of thinking about something
2
[noncount]
:
the science that studies the formal processes used in thinking and reasoning
—
see also fuzzy logic
3
[noncount]
:
the way facts or events follow or relate to each other
4
[noncount]
technical
:
the arrangement of circuits in a computer