成唯識論演祕 7.360

7.360

釋曰：見道十六初智生時，餘十五智本有種子而增長故，皆名為「得」，由初智力而為生緣所攝受故。既云「一切」，明無色界無漏見種此時亦增，名「修無色」於理無失。

Explanation: When the first wisdom of the sixteen moments of the path of vision arises, because the primordial seeds of the remaining fifteen wisdoms increase, they are all called 'attained', for by the power of the initial wisdom they are gathered and held as generative conditions. Since it says 'all', it is clear that the uncontaminated seeds of vision belonging to the formless realm also increase at this time; calling this 'cultivating the formless' is without error in principle.