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- Ibn ʻĀbidīn, Muḥammad Amīn ibn ʻUmar, 1783 or 1784-1836. ʻUqūd rasm al-muftī1
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- Idra rabba1
- Ijmāʻ (Islamic law)1
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- Illumination of books and manuscripts, Iranian1
- Illusion (Philosophy)1
- Imaginary letters1
- Imams (Shiites)1
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