In spite of the primary authentic application and Qura’nic implications and narrative documents concerning "uncertainty", that means having a false conception of a matter, gradually it has been used to denote suspicion and presumption. Meanwhile, such misconception has resulted to inauthentic legal perception and it has mistakenly used in dictionaries by the literates as well. Having introduced authentic and reliable documents, this article has considered the real meaning of uncertainty in order to represent the true jurisprudential, legal, and judicial application of the term and to adjust it with the method of intellectuals and the foundations of Islam that complies with the rationality.
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