this paper will examine ibn sina’s theory of the conditional syllogism from a purely logical point of view, and will lay bare the principles he adopted for founding his theory, and the reason why the newly introduced part of his logic remained undeveloped and eventually was removed from the texts of logic in the later islamic tradition. as a preliminary discussion, this paper briefly examines i...

Tuberculosis is at least as old as mankind and the history of tuberculosis is intertwined with that of civilization. Over the centuries its prevalence has waxed and waned but it remained a continuous threat. Its association with diabetes mellitus was reported by Avicenna (Ibn Sina 980-1037) an Arabian physician [1,2]. It was the leading cause of death in diabetic patients in the preantibiotic e...

1Department of Otorhinolaryngology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 2Sinus and Surgical Endoscopic Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 3Department of Psychiatry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 4Department of Neurology, School of Medicine, Mashhad University...

1 Department of Organic Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, Egypt. 2 Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt. 3 Department of Medicinal Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt. 4 Department of Pharmaceutical Organic chemistry, Faculty of Pharmacy, Beni-suef Un...