The concept of Padarthas is introduced by Nyaya and Vaiseshika darshanas. The very first sutra of Nyaya given by Gautama expounds sixteen categories that leads to the attainment of [[Nihshreyasa (निःश्रेयसम्)|Nihshreyasa]]. By a subtle process of analysis and synthesis, Kanada divides all nameable things into six classes
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The concept of Padarthas is introduced by Nyaya and Vaiseshika darshanas. The very first sutra of Nyaya given by Gautama expounds sixteen categories that leads to the attainment of [[Nihshreyasa (निःश्रेयसम्)|Nihshreyasa]].<ref name=":6" /> Kanada on the other hand divides all nameable things into six classes by a subtle process of analysis and synthesis.<ref>Sinha, Nandalal. (1923) ''[https://archive.org/details/thevaiasesikasut00kanauoft/page/n12 The Vaiseshika Sutras of Kanada.]'' Allahabad : The Panini Office</ref>