the book al-Imlāʾ fī Qawāʿid al-Fiqh, likewise one thousand folios; the book Dar al-Qawāʿid fī Fiqh al-Ẓāhiriyyah (1), likewise one thousand folios; the book al-Ijmaʿ (2), one volume; the book al-Farāʾiḍ, one volume; the book al-Risālah al-Balqāʾ fī al-Radd ʿalā ʿAbd al-Ḥaqq ibn Muḥammad al-Ṣiqillī, one volume; the book al-Iḥkām li-Uṣūl al-Aḥkām (3), in two volumes; the book al-Fiṣal fī al-Milal wa-al-Niḥal (4), two large volumes; the book al-Radd ʿalā man Iʿtaraḍa ʿalā al-Fiṣal, one volume; the book al-Yaqīn fī Naqḍ Tamwīh al-Muʿtadhirīn ʿan Iblīs wa-Sāʾir al-Mushrikīn, a large volume; the book al-Radd ʿalā Ibn Zakariyyā al-Rāzī, one hundred folios; the book al-Tarshīd fī al-Radd ʿalā Kitāb al-Farīd by Ibn al-Rāwandī concerning his objection to prophethood, one volume; the book al-Radd ʿalā man Kaffara al-Mutaʾawwilīn min al-Muslimīn, one volume; the book Mukhtaṣar fī ʿIlal al-Ḥadīth, one volume; the book al-Taqrīb li-Ḥadd al-Manṭiq bi-al-Alfāẓ al-ʿĀmiyyah, one volume; the book al-Istijlāb, one volume; the book Nasab al-Barbar, one volume; the book Naqṭ al-ʿArūs (5), one volume—and more besides. Among his works that run to a single booklet or pamphlet are: Murāqabat Aḥwāl al-Imām; Man Taraka al-Ṣalāh—
(1) The title of this work is missing from the Majmaʿ edition.
(2) Tadhkirat al-huffaz, vol. 3, p. 1152, names it “Muntaqa al-ijmaʿ”; Yaqut expands the title to “wa-bayānuhu min jumlat mā lā yuʿraf fīhi ikhtilāf” (and its clarification of the questions on which no disagreement is known). See also: Muʿjam al-udabāʾ, vol. 12, p. 252; Nafh al-ṭīb, vol. 2, p. 79.
(3) Edited by the scholar Ahmad Shakir and published between 1345–1348 AH in eight fascicles; Dar al-Afāq al-Jadida re-issued a photographic reproduction in 1980 with a preface by Dr. Ihsan Abbas.
(4) First printed at the Adabiyya Press in 1317 AH in five volumes, with al-Shahrastani’s al-Milal wa-al-niḥal in the margins; it has since been reprinted. The word al-faṣl is pronounced with a kasra then a fatḥa; its plural is faṣla, designating a date-palm transplanted to another spot so that it may bear fruit.
(5) Cited in the chronicles of the caliphs, while Ibn Hayyan refers to it in al-Muqtabis, vol. 5, p. 37, as Nuqaṭ al-ʿarūs fī nawādir al-akhbār. The orientalist Seybold published it in 1911 in the Journal of the Centre for Historical Studies in Granada; Dr. Shawqi Dayf reissued it in the Journal of the Faculty of Arts, no. 13 (1951); and Dr. Ihsan Abbas included it in Rasaʾil Ibn Hazm al-Andalusi, vol. 2.