As with the case with Duke University's calendar, it is also common for there to be two months that differ due to the short number of days. In the case of Duke, June and July are slightly adjusted so the fiscal year can always begin on July 1 and end on June 30.
Let's review. A postulate is a statement accepted to be true without proof. Some common algebraic properties are also postulates and deal with the four operations: addition, subtraction, multiplication, and division. Other true statements are geometric postulates and include the ruler, angle addition, and segment addition postulates.
Postcolonialism (postcolonial theory, postcolonian studies, post-colonial theory) is a specifically postmodern intellectual discourse that consists of reactions to, and analysis of, the cultural legacy of colonialism and imperialism.