大般涅槃經義記 9.14

9.14

上來廣明佛到拘尸破邪顯正。「以是因緣，我於」已下，總以結之。

The above has explained in detail that the Buddha came to Kuśīnagara to refute heterodoxy and reveal the correct. From "For this reason, I in..." onward, it concludes this generally.