Firstly, we introduce Euler Formula.
When we use Euler formula, we often need its transformations.
Secondly, we design some discharging rules based on Euler Formula.
Finally, we give the principle of Discharging Method in proofs.
Firstly, we introduce Euler Formula.
When we use Euler formula, we often need its transformations.
Secondly, we design some discharging rules based on Euler Formula.
Finally, we give the principle of Discharging Method in proofs.