The rest of this section of the bulletin gives detailed information about the courses offered by the College of Arts and Sciences. Frequently, the semesters in which courses are usually offered are indicated. In the course descriptions, the abbreviation "I" refers to course prerequisites, which are requirements that must be met before enrolling in the course. The abbreviation "R" identifies courses that are recommended but not necessary for enrollment in the course. Consent of the instructor is an implicit prerequisite for all courses in the college.