The existence of al-urf ( social tradition) in islamic law theory

'urf is something that has been fixed (consistent) in the soul, recognized and accepted by the intellect, and it is an argument and easy to understand. Likewise, the customary notion is something (habit) continued to be done by humans under the laws of human reason and keep repeating. 'Urf has been entrenched, provisions which are made repeatedly and received by logic in accordance with nature and a healthy mind. 'Urf is a the manner of the common people or communities. 'Urf in Islamic legal theory (ushul fiqh) gives meaning to the many roles and dynamics of Islamic law. Therefore, the effect of the existence of 'urf against the establishment of Islamic law should be understood as a knife analysis to understand nash, also in the context of the application tanfiz