因明入正理論疏 1.143

1.143

述曰：此別指法，如立宗中陳無常法聚名宗者，瓶等之上亦有無常，故瓶等聚名為同品。此中但取因成法聚名為同品，故《瑜伽》言：「同類者，謂隨所有法望所餘法，其相展轉，少分相似。有五相似：一相狀、二自體、三業用、四法門、五因果。」今此中說法門相似。

The Commentary states: This specifically points out the property. For instance, in establishing a thesis, where the collection of the stated impermanent property is called the thesis, impermanence is also present upon pots and the like; therefore, the collection of pots and the like is called the homologous class. Here, one takes only the collection of properties established by the reason as the homologous class. Therefore the Yogācārabhūmi states: 'The homologous class means that, whatever property it may be, looking toward remaining properties, their characteristics are mutually somewhat similar. There are five kinds of similarity: 1. appearance, 2. intrinsic entity, 3. activity, 4. doctrinal category, and 5. cause and effect.' Here, it speaks of similarity in doctrinal category.