Znalazłem w Samdhinirmocanie:
Rozdział VII pisze:Then the Bodhisattva Paramārthasamudgata said to the Bhagavan: "Initially, in the Vārānasī area, in the Deer Park called Sages' Teaching, the Bhagavan taught the aspects of the four truths of the Āryas for those who were genuinely engaged in the [Srāvaka] vehicle. The wheel of doctrine you turned at first is wondrous. Similar doctrines had not been promulgated before in the world by gods or humans. However, this wheel of doctrine that the Bhagavan turned is surpassable, provides an opportunity [for refutation], is of interpretable meaning, and serves as a basis for dispute.
"Then the Bhagavan turned a second wheel of doctrine which is more wondrous still for those who are genuinely engaged in the Great Vehicle, because of the aspect of teaching emptiness, beginning with the lack of own-being of phenomena, and beginning with their absence of production, absence of cessation, quiescence from the start, and being naturally in a state of nirvana. However, this wheel of doctrine that the Bhagavan turned is surpassable, provides an opportunity [for refutation], is of interpretable meaning, and serves as a basis for dispute.
"Then the Bhagavan turned a third wheel of doctrine, possessing good differentiations, and exceedingly wondrous, for those genuinely engaged in all vehicles, beginning with the lack of own-being of phenomena, and beginning with their absence of production, absence of cessation, quiescence from the start, and being naturally in a state of nirvāna. Moreover, that wheel of doctrine turned by the Bhagavan is unsurpassable, does not provide an opportunity [for refutation], is of definitive meaning, and does not serve as a basis for dispute.
Z tego, co się dowiedziałem, tybetańska systematyka opiera się właśnie konkretnie na Samdhinirmocanie - i systematyka ta nie była nigdy powszechnie zaakceptowana. Jest teoria, że Tybetańczycy odczuwali potrzebę uzgadniania wszystkiego m. in. dlatego, że uważali pisma jogaczary za pochodzące od bodhisattwy Maitreji oraz nie rozróżniali dwóch Nagardżunów - po prostu nie śmieli zaprzeczyć takim autorytetom, choć nauki wydawały się sprzeczne.
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