成唯識論述記 9.364

9.364

述曰：即在煖等四善根中。此在初劫，下文等言勝解行地攝故。

The Commentary states: This is precisely within the four wholesome roots, such as heat. This belongs to the first kalpa, because the text below states that it is subsumed under the stage of resolute practice (adhimukticaryā-bhūmi).