تأصيل البيع و الربا و بيع العينة في الشريعة الإسلامية مع ذكر بعض صور لبيع العينة المحرمة و الجائزة

الملخص EN

The idea of this search revolves around the sale and usury in an original way, with the mention of the sample and some of its forbidden forms, and its permissible images, because of the importance of this issue from the legal point of view, and the link of this issue to the economy and its impact on society in general, especially after the establishment of usurious banks and the many dealing with it, which was required with it.