ikhwan-al-safa and khollan-al-wafa are islamic philosophers with scientific,religious and goals and viewpoints. their epistemology is based on greekphilosophy and islamic principles. according to their opinions, religion was facingcorruption and despotism. so, the only way to reform was the greek philosophy. inpolitical aspect, considering decline, corruption and decentralization in abbasid’sst...

This article studies the comparative analysis of epistemology and philosophy music in Islamic civilization according to viewpoints medieval scholars civilization. The selected are al-Kindi, Ikhwan al-Safa, al-Farabi Ibn Sina. basis this research begins from polemic among concerning legal status using music, whether permissible or forbidden, due absence authenticated textual proof (nas qat’i) al...

During endospore formation in Bacillus subtilis, over two dozen polypeptides are localized to the developing spore and coordinately assembled into a thick multilayered structure called the spore coat. Assembly of the coat is initiated by the expression of morphogenetic proteins SpoIVA, CotE, and SpoVID. These morphogenetic proteins appear to guide the assembly of other proteins into the spore c...

from bygone to now, colors are aspects of nature that have been regarded scientists. in ancient greece, essence of color and its relationship with light and vision in natural philosophy and especially optics has been studied. results of greek thinkers in the field chromatics, from pythagoras to aristotle through of translating scientific and philosophical texts, received to muslim scholars and ...