ity a ), ▁ind iv is ible , ▁and ▁have ▁a ▁special ▁kind ▁of ▁dimension , ▁called ▁“ small ” ▁( a ṇ u ). ▁Wh atever ▁we ▁experience ▁is ▁a ▁composite ▁of ▁these ▁atoms . ▁ ▁V ai ś e ṣ ika ▁organized ▁all ▁objects ▁of ▁experience ▁into ▁what ▁they ▁called ▁pad ā r th as ▁( liter ally : ▁' the ▁meaning ▁of ▁a ▁word ') ▁which ▁included ▁six ▁categories ; ▁d rav ya ▁( subst ance ), ▁gu ṇ a ▁( quality ), ▁kar ma ▁( activity ), ▁s ā m ā ny a ▁( gener ality ), ▁vi ś e ṣ a ▁( part icular ity ) ▁and ▁sam av ā ya ▁( in her ence ). ▁Later ▁V ai ś e ṣ ik as ▁( Ś r ī dh ara ▁and ▁U day ana ▁and ▁Ś iv ā d ity a ) ▁added ▁one ▁more ▁category ▁ab h ava ▁( non - ex istence ). ▁The ▁first ▁three ▁categories ▁are ▁defined ▁as ▁ar tha ▁( which ▁can ▁perce ived ) ▁and ▁they ▁have ▁real ▁objective ▁existence . ▁The ▁last ▁three ▁categories ▁are ▁defined ▁as ▁bud h ya pe k ṣ am ▁( product ▁of ▁intellectual ▁disc rim ination ) ▁and ▁they ▁are ▁logical ▁categories . ▁ ▁M ī m ā ṃ s ā ▁M ī m ā ṃ s ā ▁is ▁a ▁school ▁of ▁rit ual ▁orth op ra xy ▁and ▁is ▁known ▁for ▁its ▁herm ene ut ical ▁study ▁and ▁interpretation ▁of ▁the ▁V ed as .