Among the grammatical and morphological statements attributed by Ibn al-Muzaffar (d. after 630 AH) to al-Tha'labi (d. 427 AH) in his book, "Mabahith al-Tafsir" (Between Truth and Allegation)

Ibn al - Muzaffar wrote his book " Mabahith al-Tafsir " without an introduction, responding to al-Tha'labi's questions in his interpretation "Kashf al-Bayan, " He proceeded to quote al-Tha'labi's words and then comment on them, either by adding or by answering any doubts, These comments varied between interpretation and its sciences, language and its sciences, hadith and jurisprudence, biographies, and creed, I found some opinions questionable regarding Ibn al-Muzaffar's attribution to al-Tha'labi, so I decided to write an independent study that would address the aspect of grammar and morphology, I titled it : "From what Ibn al-Muzaffar, who died after 630 AH, attributed to al-Tha'labi, who died in 427 AH, of grammatical and morphological statements in the book "Mabahith al-Tafsir" between truth and claim".
Among the reasons that prompted me to write about it was the grammatical thought evident in the works of al-Tha'labi and Ibn al-Muzaffar, Grammar was a reliable source for both of them, It also examines some of the grammatical issues upon which Ibn al-Muzaffar based his discussions and responses to al-Tha'labi's attributions, the criteria he relied on in these discussions and responses, and finally, a demonstration of Ibn al-Muzaffar's accuracy in quoting al-Tha'labi.
The research approaches varied between descriptive, historical, and critical. I divided it into two chapters. In the first, I presented al-Tha'labi's grammatical views attributed to him by Ibn al-Muzaffar. In the second, I presented al-Tha'labi's morphological views attributed to him by Ibn al-Muzaffar. These chapters are preceded by an introduction and a pr