essential condition (الشَّرْطُ الحَقِيقِيّ)
أصول الفقه
التعريف :
What is essential for the existence of something, either in reality or by the provisions of the sharia, so that the thing cannot be valid without it, except when it is impossible to meet. This is a ḥanafī term. According to the majority of scholars, it is called ‘condition’ without adding any restricting adjective.