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Chapter 1 - Sutra 24-25
Q: After this, can the mind-reader not know the contemplative things?
A: They can know, but only through inference later.
Q: How is that?
A: Just as a skilled person observes someone's face or gestures and infers the inner feelings and capacities of that person, similarly, a mind-reader observes the form of someone's mind and later, through study, infers what that person is contemplating; for instance, their mind is surely connected with certain forms that arise during the contemplation of that thing.
Q: What do 'Rujumatī' and 'Vipunamatī' mean?
A: 'Rujumatī' refers to the general understanding of a subject, and 'Vipunamatī' refers to the special understanding of a subject. If Rujumatī is generally perceptive, then it is said to be just that; why is it called knowledge?
A: The reason is that it is generally perceptive, meaning it knows the particulars but does not know as many specifics as Vipunamatī does.
Compared to Rujumatī, Vipunamatī is purer because while both have differences, Vipunamatī can know subtler specifics than Rujumatī.
Thus, Vipunamatī’s mind-reading knowledge can perceive subtler aspects than Rujumatī does.