大般涅槃經義記 6.78

6.78

下次別明聲聞無四，先問、後解。於中先明聲聞之人無三善巧，次別，後結。

Next, it specifically clarifies that śrāvakas lack the four: first it asks, and then it explains. Therein, it first clarifies that śrāvakas lack the three skillful means; next it differentiates them, and finally it concludes.