It follows from this definition that every set is disjoint from the empty set, and that the empty set is the only set that is disjoint from itself. A family F of sets is pairwise disjoint if, for every two sets in the family, their intersection is empty.
Ozark County Land Info. Ozark County is a county in Missouri. It covers 755 square miles (483,283 acres), which represents less than one percent of the state total. Of Missouri's 115 counties, Ozark County ranks 91st in terms of the size of its population (9,409, according to 2015 Census estimates).
After Cane Hill College in Washington County closed in 1891, the Cumberland Presbyterian Church moved the school to Clarksville, and the school opened on September 8, 1891, as Arkansas Cumberland College. The school was renamed the College of the Ozarks in 1920 and became the University of the Ozarks in 1987.