俱舍論疏 7.5

7.5

On the Śāstra's: "Herein, 'nature' refers to the types of conditions": this explains "nature" above. The designation "dhātu-nature" carries the meaning of distinctions among types, like the eighteen dhātus, etc. That is, showing that the four conditions are established on the basis of four distinct types. The Nyāyānusāra explains: "Herein, 'condition-nature' refers precisely to the four conditions, just as 'four abodes' refers precisely to the nature of abodes; the word 'nature' is used to show types. The intention is to distinguish that although the conditions have immeasurable individual entities according to their particular functions, when summarizing their meaning, none are not subsumed within these four types; that is, all conditions do not exceed this nature."