Synonyms for logic

reasoning, dialectic, deduction, syllogism, induction, inference, course of argument, course of thought; thesis, antithesis and synthesis, chain of reasoning; see also philosophy 1, thought 1.

Branches of logic include: traditional, Aristotelian, Ramist, Ramistic, modern, epistemological, pragmatic, formal, instrumental, experimental, psychological, symbolic, mathematical, deductive, inductive, Baconian.