An influential Buddhist school of the H
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nay
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na, closely related to the
Sarv
stiv
da
, which flourished in NW India principally in Gandh
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ra and Kashmir. Their name derives from a great treatise known as the
Vibh
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, compiled in the early centuries of the Christian era as a commentary on a fundamental work of the
Abhidharma
tradition, the
Jñ
naprasth
na
(Basis of Knowledge) of Katy
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yanaputra, a Sarv
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stiv
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din philosopher. The commentary is an encyclopaedia of Vaibh
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