noun
six schools of classical Indian philosophy
Refers to the six orthodox (āstika) schools of Hindu philosophy: Sāṃkhya, Yoga, Nyāya, Vaiśeṣika, Mīmāṃsā, and Vedānta. Used in academic or historical contexts.
六派哲学はインドの正統派哲学の総称です。
The six schools of classical Indian philosophy is a collective term for the orthodox schools of Indian philosophy.
From 六 (roku, 'six') + 派 (ha, 'school, sect') + 哲学 (tetsugaku, 'philosophy'). The reading ろっぱ is a contraction of ろくは.