logic

logic is a   Noun

Definition:

[1] 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.

[2] A treatise on logic; as, Mill`s Logic.

Synonyms: