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Hamid al-Din al-Kirmani — The Fatimid Philosopher Who Synthesized Ismaili Theology: Author of Rahat al-Aql and the Reconciler of the Baghdadi and Egyptian Ismaili Traditions

حَمِيدُ الدِّينِ الكِرمَانِيُّ — الفَيلَسُوفُ الفَاطِمِيُّ الَّذِي دَمَجَ عِلمَ الكَلَامِ الإِسمَاعِيلِيّ: مُؤَلِّفُ رَاحَةِ العَقلِ وَمُصَالِحُ التَّقلِيدَيِنِ الإِسمَاعِيلِيَّيِنِ البَغدَادِيِّ وَالمِصرِيّ
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Hamid al-Din Ahmad ibn Abdallah al-Kirmani (حَمِيدُ الدِّينِ أَحمَدُ بنُ عَبدِاللهِ الكِرمَانِيّ; d. after 411 AH / 1020 CE; Fatimid Da'i and philosopher based in Iraq before moving to Cairo under al-Hakim bi-Amr Allah; known as *hujjat al-'Iraq* — Proof of Iraq; author of numerous works of which Rahat al-'Aql [Repose of the Intellect] is the most systematic) is the most philosophically rigorous of the Fatimid Ismaili theologians. His synthesis reconciled divergent Ismaili cosmological positions within the Fatimid dawat while producing a sophisticated engagement with Neoplatonic philosophy.

The Theological Context

By the early 11th century, the Ismaili dawat had developed two cosmological traditions that were in tension:

Al-Kirmani’s great project in Rahat al-‘Aql (Repose of the Intellect) was to reconcile these by producing a rigorous system that preserved both the transcendence of God (beyond all attributes, even being) and the genuinely voluntary character of the first divine act.


Rahat al-‘Aql

The Rahat al-‘Aql is a 10-chapter systematic work covering:

  1. The nature of God (tanzih: absolute transcendence)
  2. The First Intellect as voluntary divine act, not necessary emanation
  3. The Ten Intellects (al-Kirmani’s distinctive contribution — he expanded the cosmological chain to include ten intellects rather than the standard five)
  4. The hierarchy of the dawat as instantiation of the cosmic hierarchy
  5. The soul’s ascent and the role of the Imam in mediating it

The ten-intellect scheme is al-Kirmani’s most original contribution, aligning more closely with al-Farabi’s planetary spheres while maintaining Ismaili commitments.


Legacy in the Dawoodi Bohra Tradition

Al-Kirmani’s works were preserved and transmitted within the Tayyibi-Ismaili tradition, reaching the Dawoodi Bohra community through the Yemeni Da’i chain. His philosophical vocabulary — particularly his treatment of the First Intellect as act rather than emanation — influenced later Tayyibi theologians including Sayyidna al-Mu’ayyad fi’l-Din al-Shirazi.

See also: Ismaili Al Aql Al Awwal, Ismaili Cosmology Nafs, Ismaili Al Hudud Al Khamsa, Ilm Al Falsafa Islamiyya, Ismaili Tartib Al Dawat

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