Let x0 of type ι be given.
Apply SNoS_I with
omega,
eps_ x0,
ordsucc x0 leaving 3 subgoals.
The subproof is completed by applying omega_ordinal.
Apply omega_ordsucc with
x0.
The subproof is completed by applying H0.
Apply SNo__eps_ with
x0.
The subproof is completed by applying H0.