Philosophical rules and the argument of Tamanu in al-Mizan

As a science that studies being in its entirety philosophy has always been rejected by some and advocated yet by others. Some believe that the rules proved in this science are of no authority having thus no application in interpretation of religious texts. On the contrary, others hold that they deepen our understanding of religious texts. By writing his al-Mizan (a mutt volume commentary on the Holy Quran), Allama proved that philosophy can be instrumental in deepening our understating of the Holy Quran. One such important instance is the application of these rules to proving the unity of God. Being available in religion and philosophy, the argument of Tamanua relying on the fact that the universe is not corrupt, negate the existence of many gods. Using an analytico-descriptive methodology, the author tries to show how philosophical rules are instrumental in understanding the verses that are related to the argument of Tamanua. While interpreting such verses, Allama makes use of four philosophical rules: 1. An immaterial kind has only one instance 2. An effect cannot be separated from its perfect cause. 3. The unity of God is not numerical 4. The necessity of similarity between a cause and its effect.