logic Meaning, Definition & Usage
noun the branch of philosophy that analyzes inference
noun reasoned and reasonable judgment
- it made a certain kind of logic
noun the principles that guide reasoning within a given field or situation
- economic logic requires it
- by the logic of war
noun the system of operations performed by a computer that underlies the machine's representation of logical operations
noun a system of reasoning
logical system; system of logic.
The science or art of exact reasoning, or of pure and formal thought, or of the laws according to which the processes of pure thinking should be conducted; the science of the formation and application of general notions; the science of generalization, judgment, classification, reasoning, and systematic arrangement; correct reasoning.
Logic is science of the laws of thought, as that is, of the necessary conditions to which thought, considered in itself, is subject. Sir W. Hamilton.
✍ Logic is distinguished as pure and applied. " Pure logic is a science of the form, or of the formal laws, of thinking, and not of the matter. Applied logic teaches the application of the forms of thinking to those objects about which men do think. "Abp. Thomson.
A treatise on logic; as, Mill's. Logic
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