IV.On the Reality of What is Fard'l-Ayaan and What is Fard'l-Kifaaya From These Sciences of the Deen V.
III.On the Reality of the Proper Place of the Legal Judgement for the Sciences of the Religion which are Tawheed, Fiqh, and Tassawwuf. On the Reality of Outward Iman and Inward Iman. On the Reality of the Divisions of the Muslims With Regard to Their Ranks in Insight in the Deen. It is an assessment of the exoteric and esoteric sciences in Islam composed in ten chapters: I. The Fat'hual-Basaa'ir is a complete mapping of Islamic epistemology. He composed his most forward thinking and revolutionary ideas during this period. This period was reportedly the most explosive time for the Shehu intellectually and spiritually.
This text was composed during the period when Shehu Uthman ibn Fuduye` was in Sifawa, between the years 1810 to 1815.
