the reason of wisdom in prespective of sheikh ansari

the main purpose of this survey is to study the use of‘dalil aqhl’ in jurisprudential ideas of shekh ansari as oneof the greatest ‘shia’ jurisprudents. the method is basedon analyzing of jurisprudential content and has donethrough studying his relevant book. the result shows thathe blive that wisdom is an inward messenger so heaccepted it as a reason, the indipendent wisdom warrant isacceptable and it understand evil religious unlawful,certain reason is peior to difinit textual proof, the reasonchooses better evidances inconflicting, it helpe the shaiareason in reasoning to the general. as well as it constitutesome general priciples and rules.