Simple Definition of logic
: a proper or reasonable way of thinking about or understanding something
: a particular way of thinking about something
: the science that studies the formal processes used in thinking and reasoning
Full Definition of logic
1 a (1) : a science that deals with the principles and criteria of validity of inference and demonstration : the science of the formal principles of reasoning (2) : a branch or variety of logic <modal logic> <Boolean logic> (3) : a branch of semiotics; especially : syntactics (4) : the formal principles of a branch of knowledge b (1) : a particular mode of reasoning viewed as valid or faulty (2) : relevance, propriety c : interrelation or sequence of facts or events when seen as inevitable or predictable d : the arrangement of circuit elements (as in a computer) needed for computation; also : the circuits themselves
2 : something that forces a decision apart from or in opposition to reason <the logic of war>
Examples of logic in a sentence
If you just use a little logic, you'll see I'm right.
There's no logic in your reasoning.
There's some logic to what he says.
There's a certain logic in what he says.
The revolution proceeded according to its own logic.
the logic of the situation
Origin of logic
Middle English logik, from Anglo-French, from Latin logica, from Greek logikē, from feminine of logikos of reason, from logos reason — more at legend
First Known Use: 12th century
LOGIC Defined for Kids
Definition of logic for Students
1 : a proper or reasonable way of thinking about something : sound reasoning <There's no logic in what you said.>
2 : a science that deals with the rules and processes used in sound thinking and reasoning
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