논리로

In a sentence

• 그는 논리로 문제를 해결했다.

  He solved the problem with logic.

  Here, 논리로 indicates that logic was the method or means by which the problem was solved.

• 논리로 보면 그의 주장은 맞지 않아.

  From a logical perspective, his argument does not hold.

  In this sentence, 논리로 is used to express that the perspective or basis of evaluation is logic.

• 책을 읽으면 논리로 사고하는 방법을 배울 수 있어.

  Reading books allows you to learn how to think logically.

  Here, 논리로 functions as describing the manner of thinking, emphasizing logical reasoning.