Any system of thought, whether rigorous and productive or not, especially one associated with a particular person.
It's hard to work out his system of logic.
The study of the principles and criteria of valid inference and demonstration.
The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements.
The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit.
A method of human thought that involves thinking in a linear, step-by-step manner about how a problem can be solved. Logic is the basis of many principles including the scientific method.
A formal or informal language together with a deductive system or a model-theoretic semantics.
logical
To engage in excessive or inappropriate application of logic.
To apply logical reasoning to.
To overcome by logical argument.
The mind or intellect, reason, both rational and emotional
In Neoplatonism, the divine reason, regarded as first divine emanation.
The "mind-set" of a society, culture, or group -- as in Homer's use in the third verse of the Odyssey.
Common sense; practical intelligence.