The Intersection of Two Subgroups Is Always a Subgroup Video Notes
Handwritten Dogmathic notes covering why the intersection of two subgroups is always a subgroup, with examples, the subgroup test, and a look at why unions behave differently.
Handwritten Dogmathic notes covering why the intersection of two subgroups is always a subgroup, with examples, the subgroup test, and a look at why unions behave differently.