Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ο be given.
Apply unknownprop_f4c47e876b581d8d577d2c853ba9f380382521b2987b498decb65a17a2733264 with
x0,
x1,
x2 leaving 3 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
Let x3 of type ι be given.
Let x4 of type ι be given.