His saying: "Alif-Lam-Mim-Ra," the discussion regarding the letters of the alphabet has already passed in what preceded. "These are the verses"—these are the verses of "the Book," [meaning] the Quran.
قَوْله: ﴿المر﴾ قَدْ مَضَى الْقَوْلُ فِي حُرُوفِ الْمُعْجَمِ فِيمَا تَقَدَّمَ ﴿تِلْكَ آيَاتُ﴾ هَذِه آيَات ﴿الْكتاب﴾ الْقُرْآن.