金剛經纂要刊定記 7.81

7.81

人無我等者。一法界中無我無無我，今對有我說於無我，權說假言故云安置。

Regarding "selflessness of persons" and so forth: within the one dharmadhātu, there is neither self nor non-self; now, in counteraction to the existence of a self, non-self is taught, provisionally spoken in conventional words, hence it is called "posited."