देशकालवयोमानपाकवीर्यरसादिषु| परापरत्वे, युक्तिश्च योजना या तु युज्यते ||३१||
Paratva and aparatva are used in relation to place, time, age, measure, vipaka, veerya, rasa etc. Yukti is the rational planning (of therapeutic measures).
Sankhya is mathematics (including statistics). Joining together (of entities) is samyoga. This is of three types according to the active participation of both, all or one partner. It is non-eternal.
Vibhaga is also of three types – vibhakti (excision), viyoga (disjoining) and bhagaso graha (division). Prithaktva is of three types: asamyoga (spatial separateness), vailaksanya (class separateness), and anekata (individual separateness).