Two important characteristics of maps should be noticed. A map is not the territory it represents, but, if correct, it has a similar structure to the territory, which accounts for its usefulness.
Bio: Abu 'Abd Allah Muhammad ibn Muhammad ibn al-Nu'man al-'Ukbari al-Baghdadi known as al-Shaykh al-Mufid and Ibn al-Mu'allim was a prominent Twelver Shia theologian. He was the son of Muallim, hence the name Ibn Muallim.
