Abū ‘Imrān Mūsā b. Abı̄ ’l-H ̇ ayy Khalı̄la. See (Abū ‘Imrān) Mūsā b. Abı̄ ’l-H ̇ ayy Khalı̄la Abū Ish ̇ āq Ibrahı̄m b. ‘At ̇ ā’, 2, 48, 180, 183 Abū ’l-Fad ̇ l b. Salmān, 315–317 Abū ’l-H ̇ asan b. H ̇ ayyim, 171, 293 Abūn b. S ̇ adaqa, 87, 128, 238, 294–295 Abū Sa‘ı̄d, 83, 131 agents and agency agency law, 130, 151–159, 358 agency transactions statistically compared, 143 as _ h _ ābunā and s _ uh _ ba comp...

abū al-jārūd is one of the leading figures of zaydis and the narrator of the significant books and traditions of imam al-ṣādiq (a.s.) and imam al-bāqir (a.s.), who has received the attention of the imāmī rijālīs (biographers) and dignitaries. on one hand, the imāmī and sunnī rijālīs have weakened him and, on the other hand, he is known as the transmitter of many and sometimes important traditio...

in the abbasid era, chieftainship (niqābat) was a politico-religious institution with social functions. since the early periods of the samanids era, the alavids’ chieftainship in nayshābūr, capital of khurāsān, had been turned over to the ḥusaynī alavids of banū zubāra, but amīr nūḥ b. manṣūr sāmānī (ruled 366-378) handed over this post to a ḥasanī alavid, whose descendants became the hereditar...

according to abū al-barakāt baghdādī, time and place are a priori conditions of motion; moreover, against the peripatetic philosophers, for whom time is the measure of motion, he holds that time is the measure of existence. nevertheless, he believes that we can define motion on the basis of our intuitive non-scientific concept of time and, by so doing, we can resolve the apparent circularity of...