After Sadr al-Mu'tazilis specifically addressed the issue of "the authenticity of existence and the validity of nature", Sharhan sought after him to provide a correct interpretation of this principle. In the meantime, four theories and interpretations have been presented, which is the chosen interpretation, i.e. the objectivity of existence and nature, and the truth of other interpretations. Therefore, the nature of the inherent complications will exist and due to the objective nature of the existence, the occurrence of mattresses in the nature is perceived and the existence of the interface is also of the nature. There are also natural generalities abroad, including that the nature, the passiveness of the jaal and the cause for other matters can also be, and the obligatory being has the nature.