M391 Foundations of the Number System (3 cr.) N & M P: M212 or both M211 and CSCI C241. R: M212. Sets, functions and relations, groups, real and complex numbers. Bridges the gap between elementary and advanced courses. Recommended for students with insufficient background for 400-level courses and for students in education. Not open to students who have received credit for M403, M413, or M420. II Sem.