The study of the principles of reasoning, especially of the structure of propositions as distinguished from their content and of method and validity in deductive reasoning.
파생어
logical [형]
예문
1. formal logic (형식 논리학) 2. the irresistible logic of facts (움직일 수 없는 사실의 힘, 꼼짝 못하게 하는 사실의 증명)
