Il dit : “Seigneur ! Juge en toute justice ! Et Notre Seigneur, le Tout Miséricordieux, est Celui dont l’assistance est implorée contre vos assertions.” 1
I.e. Addressing them in the third person. The final statement is in the passive voice.
قُلْ رَبِّ
qul rabbi
قُلْ رَبُّ
qul rabbu
“Say: 'My Lord...'"
In these readings, the verb is an instruction to the Prophet (ﷺ). Abū Jaʿfar's reading is based on a less common way of appending the personal pronoun in the vocative. NB: these are pronounced as qur-rabbi/u.
Explication
These readings are complementary in meaning, as the Prophet (ﷺ) would immediately say whatever he was instructed [Ibn 'Ashur]. Note that both may be read from the same skeletal form.
He has revealed to you ˹O Prophet˺ the Book in truth, confirming what came before it, as He revealed the Torah and the Gospel
Explication
These readings are complementary in meaning, as the Prophet (ﷺ) would immediately say whatever he was instructed [Ibn 'Ashur]. Note that both may be read from the same skeletal form.