Let x0 of type ι → ι → ο be given.
Let x1 of type ι → ι → ο be given.
Let x2 of type ι → ι → ο be given.
Let x3 of type ι be given.
Let x4 of type ι be given.
Apply unknownprop_32641540f70eca61ad8080540a7ffc15afca5806ff2b66b42918e0da647ad1de with
x0,
x1,
x2,
32d20..,
x3,
x4.
The subproof is completed by applying unknownprop_08f0338ab801da47d393da5bbb166b3be020e424c0cc4fdc74230df551a0331f.