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The discussion about the equilibrium and priorities or the opposition of proofs are among the important principals which has disguised itself from discussion of religious jurisprudence to basic principles as much as someone believe that are the most important matters of principles. Opposition between two proofs is sometimes infixed and is eliminated from the popular view. It is out of discussion such as two common and particular and absolute or finite proof. Opposition between two proofs is sometimes fixed and in any respect peer and equilibrium. Moreover, descending or alternation of these proofs has observed by principles and or one is preferable. Such a preference has been released in explicit priorities or has not been noticed in non-explicit. In this case, variation and preference of preferable proof is cared for principalities. Any selection of them steps beyond clergyman a special way in deduction of religious orders in contrast to oppose proofs. In this paper, after appraisal dialectics and views of variation and preference followers, inclination of preference, which Sheikh Ansari is its pioneer, will be emphasized