Let m be given.
Assume Hm.
Let n be given.
Assume Hn.
rewrite the current goal using mul_SNo_com m n (omega_SNo m Hm) (omega_SNo n Hn) (from left to right).
We will prove divides_nat n (n * m).
An exact proof term for the current goal is divides_nat_mul_SNo_R n Hn m Hm.