Visualize Isomorphism

This is the Chinese graphical way to visualize Abstract Algebra:

Third Theorem of Isomorphism





Second Theorem of Isomorphism

Group G with normal subgroup N,
H subgroup of G (H ≤ G ).
=>
1.(H ∩ N) normal subgroup of H;
2. HN/N ≌ H /(H ∩ N)