Equivalence relations and functions, binary operations, groups and simple properties of groups, symmetric groups, subgroups, order of an element of a group, cyclic subgroups, Lagranges theorem and its applications, quotient groups, homomorphisms of rings and fields.References:1. Durbin, J.R. (2004). Modern Algebra: An Introduction (5th Edition). Wiley & Sons.2. Gilbert, J. & Gilbert, L. (2004). Elements of Modern Algebra (6th Algebra). Brooks Cole.3. Gilbert, W.J. & Nicholson, W.K. (2003). Modern Algebra With Applications (2nd Edition). Wiley-Interscience.