Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Apply unknownprop_a23ec6a55ac212526d74cbf0d04096929ad453b0eb0f8023e32b8a33930d39fb with
x1,
x2 leaving 2 subgoals.
Apply unknownprop_0e19f60178c867428be104dc90a548187e38a68b2117b59a57089367bff0360e with
x0,
x1,
x2 leaving 4 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
The subproof is completed by applying H3.
Apply unknownprop_0e19f60178c867428be104dc90a548187e38a68b2117b59a57089367bff0360e with
x0,
x2,
x1 leaving 4 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H0.
The subproof is completed by applying H3.
The subproof is completed by applying H2.