Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Apply unknownprop_b46721c187c37140cbae22d356b00ba89f4126d81d8665e4be15b5a58c78d06f with
x0,
x1,
x2,
prim1 x2 (0ac37.. x1 x0) leaving 3 subgoals.
The subproof is completed by applying H0.
Apply unknownprop_e4d6e0bfb4ef6d52ee13edd54a77c8cc7f0a3af8ffb1b8da66d4f98842dd28b5 with
x1,
x0,
x2.
The subproof is completed by applying H1.
Apply unknownprop_0b5b61a66a1ed2eb843dbce5c5f6930c63a284fe5e33704d9f0cc564310ec40b with
x1,
x0,
x2.
The subproof is completed by applying H1.