因明入正理論疏 3.15

3.15

論　法差別相違因者，如說眼等必為他用，積聚性故，如臥具等。

Treatise: The reason contradictory to the particular property of the property is: for example, stating that "The eyes and so forth are necessarily for the use of another, because of being composite, like bedding, seats, etc."