瑜伽論記 10.49

10.49

In the answer: although the meanings expressed by the treatises on reasoning science are immeasurable, their core explains cause and effect; reasoning science primarily states inference (anumāna), thus revealing the principle of refuting others and establishing one's own [thesis]. In grammatical science: first, revealing the characteristics of establishing roots reveals the essence of words, while the characteristics of capable establishment explains the conditions of words; second, revealing the characteristics of skill in speech and its advantages discriminates the function of grammatical science—what are called male, female, higher, lower, and other vocal sounds are named skill in speech and its advantages. The characteristics of the latter two sciences can be understood.