Knowing legislator era and causes of issuing the tradition and different conditions, and circumstances of time and space of their issuance can help jurisprudent to understand traditions truly and to recognize their criteria to attain the legislator's intention, and truly Ijtihad, and causes to generalizing or qualifying an award and truly inference .Also we can resolve the conflicts of tradition and the holly Imams' manner and distinguish governmental awards from others and recognize permanent and temporary awards
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