Let x0 of type ι → (ι → ο) → ο be given.
Let x1 of type ι be given.
Let x2 of type ι → ο be given.
Let x3 of type ι → ο be given.
Let x4 of type ι be given.
Let x5 of type ι → ο be given.
Apply ordinal_Hered with
x1,
x4 leaving 2 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H3.
Apply unknownprop_8400f668ce579075dd52a6b0bc8eaa2c816f68129d64497b65439b55d60266f7 with
x4,
x1,
x5,
x2,
x3 leaving 4 subgoals.
The subproof is completed by applying L5.
The subproof is completed by applying H0.
Apply H2 with
x4,
x5 leaving 2 subgoals.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
The subproof is completed by applying H1.