logic
/ˈlɔdʒɪk; `lɑdʒɪk/ n[U]
1 science of reasoning 逻辑学; 论理学.
2 particular method or system of reasoning 推理的方法或体系.
3 chain of reasoning (regarded as good or bad) 逻辑性, 条理性（合乎逻辑或不合逻辑）
You have to accept the logic of his argument. 应该承认他的论据中有逻辑性.
4 ability to reason correctly 正确推理的能力; 逻辑思维的能力.
5 (computing 计)
(a) principles used in designing a computer （设计计算机的）逻辑.
(b) the circuit(s) involved in this 逻辑电路.