one of the subjects about the “la zarar” rule that always had been controversial is survey for positive aspect of it. not only opponents but also researchers that sought to answer the objections of the positive aspect of the rule enter the discussion on the assumption that the evidence of the “la zarar, rule is the la zarar hadith, in story of ansari man and samorah-ibn jondab discored. this as...

Prediction markets and other reward mechanisms based on proper scoring rules can elicit accurate predictions about future events with public outcomes. However, many questions of public interest do not always have a clear answer. For example, facts such as the effects of raising or lowering interest rates can never be publicly verified, since only one option will be implemented. In this paper we...

Background: Ankle injuries are one of the most common complaints of patients presenting to emergency departments (ED). The Ottawa ankle rules (OAR) was introduced to help physicians to decide who may require x-ray for blunt injuries. The present study aimed at validating the four steps weight-bearing rule of OAR as a sole criterion.    Methods: This prospective observational study wa...

in order to study the political, social, and economical circumstances of the first century of the rise islam, it is necessary to survey about the characters of that period, particularly the characters whose family or themselves had key roles in the events of that period. one of such figures is abd al-rahman ibn-e ashaas. the most important event in his life was his riot against hadjaj in the er...