In Index of Subjects

• rain 183-185, 200, 731
•      indicators of 183
• rainbow 486, 715
• rational faculty 166, 579, 582-583, 613, 742, 744, 748
• νοῦς 465
•      al-quwwa al-nāṭiqa 579, 613
•      al-quwwa al-naẓariyya 580
• rationalism 33, 64, 116, 282, 295, 462, 701
• rationality 7, 14, 403, 605, 607
• rational soul 161, 188, 282, 285, 323, 336, 340, 349, 400, 467, 479, 484, 488
•      its purification (tahḏīb al-aḫlāq) 282
•      al-nafs al-ʿāqila 334
•      al-nafs al-nāṭiqa 456
• ray(s) 187, 200, 568, 730
• reality, realities 14, 166-167, 318
•      of things 756
•      spiritual 738
•      ḥaqāʾiq 739, 756
•    …