Definitions from Wiktionary ( )

▸ adjective:  logical
▸ noun:  (uncountable) 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.
▸ noun:  (philosophy, logic) The study of the principles and criteria of valid inference and demonstration.
▸ noun:  (uncountable, mathematics) The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements.
▸ noun:  (countable, mathematics) A formal or informal language together with a deductive system or a model-theoretic semantics.
▸ noun:  (uncountable) Any system of thought, whether rigorous and productive or not, especially one associated with a particular person.
▸ noun:  (uncountable) The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit.
▸ noun:  (countable, sociology) A system of thought or collection of rhetoric, especially one associated with a social practice.
▸ verb:  (intransitive, derogatory) To engage in excessive or inappropriate application of logic.
▸ verb:  (transitive) To apply logical reasoning to.
▸ verb:  (transitive) To overcome by logical argument.

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