Mathematics is sometimes seen as being at the opposite end of the spectrum from art in the sense that it offers us something that is built on absolute objectivity, which only works if every element of its structure is in alignment with each other.
Philadelphia (/ˌfɪləˈdɛlfiə/) is the largest city in the Commonwealth of Pennsylvania, the fifth-most-populous city in the United States, and the core of the sixth-largest metropolitan area in the country.