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logic

log·ic [ lójjik ]


noun 
Definition:
 
1. philosophy theory of reasoning: the branch of philosophy that deals with the theory of deductive and inductive arguments and aims to distinguish good from bad reasoning

2. system or instance of reasoning: any system of, or an instance of, reasoning and inference

3. sensible argument and thought: sensible rational thought and argument rather than ideas that are influenced by emotion or whim

4. reasoning of particular field: the principles of reasoning relevant to a particular field

5. relationship and pattern of events: the relationship between specific events, situations, or objects, and the inevitable consequences of their interaction

6. comput circuit design in computer: the circuit design and principles used by a computer in its operation

[14th century. Via French logique< Greek logikē (tekhnē) "(art) of reason" < logos "word, reasoning"]
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