Let x0 of type ι be given.
Let x1 of type ι be given.
Apply mul_nat_com with
x1,
x0,
λ x2 x3 . x0 ⊆ x3 leaving 3 subgoals.
Apply omega_nat_p with
x1.
Apply setminusE1 with
omega,
1,
x1.
The subproof is completed by applying H1.
The subproof is completed by applying H0.
Apply unknownprop_0dc8d11d1ba28645d1565e6f95fe26f514da291413e114d0327c09556f7d23e9 with
x0,
x1 leaving 2 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.