15 Fourth Division: The cause mentioned in the first part of the second division is in turn divided into the famous fourfold classification of final, efficient, material and formal cause, which need no explanation.
15 Fourth Division: The cause mentioned in the first part of the second division is in turn divided into the famous fourfold classification of final, efficient, material and formal cause, which need no explanation.
15第四种分类：在第二种分类的第一小类中提到的原因的划分即著名的四分法：目的因、动力因、质料因和形式因，这无须赘言。