▁For ▁this ▁tradition , ▁the ▁study ▁of ▁d har ma ▁as ▁rit uals ▁and ▁social ▁duties ▁was ▁param ount . ▁They ▁also ▁held ▁that ▁the ▁V ed as ▁were ▁" et ernal , ▁author less , ▁[ and ] ▁inf al li ble " ▁and ▁that ▁V edic ▁inj unction s ▁and ▁mant ras ▁in ▁rit uals ▁are ▁pres cript ive ▁actions ▁of ▁primary ▁importance . ▁Because ▁of ▁their ▁focus ▁on ▁text ual ▁study ▁and ▁interpretation , ▁M ī m ā ṃ s ā ▁also ▁developed ▁theories ▁of ▁phil ology ▁and ▁the ▁philosophy ▁of ▁language ▁which ▁influenced ▁other ▁Indian ▁schools . ▁They ▁primarily ▁held ▁that ▁the ▁purpose ▁of ▁language ▁was ▁to ▁clearly ▁pres cribe ▁proper ▁actions , ▁rit uals ▁and ▁correct ▁d har ma ▁( d ut y ▁or ▁virtue ). ▁M ī m ā ṃ s ā ▁is ▁also ▁mainly ▁at he istic , ▁holding ▁that ▁the ▁evidence ▁for ▁the ▁existence ▁of ▁God ▁is ▁ins u fficient ▁and ▁that ▁the ▁God s ▁named ▁in ▁the ▁V ed as ▁have ▁no ▁existence ▁apart ▁from ▁the ▁names , ▁mant ras ▁and ▁their ▁power . ▁ ▁A ▁key ▁text ▁of ▁the ▁M ī m ā ṃ s ā ▁school ▁is ▁the ▁M ī m ā ṃ s ā ▁S ū tra ▁of ▁Ja im ini ▁and ▁major ▁M ī m ā ṃ s ā ▁sch ol ars ▁include ▁P rab h ā k ara ▁( c . ▁ 7 th ▁century ) ▁and ▁K um ā ril a ▁B ha ṭ ṭ a ▁( fl