Apply unknownprop_a23ec6a55ac212526d74cbf0d04096929ad453b0eb0f8023e32b8a33930d39fb with
2,
UPair 0 1 leaving 2 subgoals.
The subproof is completed by applying unknownprop_dbd5affbe79a050c8407c6a38a0954ed72058bb5fb19612c899d18a5258b6384.
The subproof is completed by applying unknownprop_5a655f32cc71d25038ab5efe781ec3d96b18cea831bfbc468ba0bf6755f4d5c2.