- logic - the branch of philosophy that analyzes inference
--1 is a kind of philosophy
--1 has particulars: modal logic- logic - reasoned and reasonable judgment; "it made a certain kind of logic"
--2 is a kind of common sense, good sense, gumption, horse sense, sense, mother wit
- logic - the principles that guide reasoning within a given field or situation; "economic logic requires it"; "by the logic of war"
--3 is a kind of principle
- logic, logical system, system of logic - a system of reasoning
--4 is a kind of system, system of rules
--4 has particulars:Aristotelian logic; symbolic logic, mathematical logic, formal logic - logic - reasoned and reasonable judgment; "it made a certain kind of logic"