In the name of ALLAH, the most beneficient, the most merciful

Topology (MTH634)

Question (select most suitable option)

  Let X = {a, b, c}. The following set is a topology on X.
{φ, {b}, {c}, X}
{φ, {a}, {b}, X}
{φ, {a}, {b, c}, X}
None of the given