1- In many parts of the united states, real estate taxes are levied by different taxing bodies, for example, a school district, a fire protection district, a township, and so on. Discuss weather these taxing bodies form a partition of a state. Do the 50 states from a partition of the United States of America? ( what about the district of Columbia?)
2- 2- Is brotherOf equivalence relation on the set of all people? How about siblingOf?