Let x0 of type ο be given.
Let x1 of type ο be given.
Apply unknownprop_eb8e8f72a91f1b934993d4cb19c84c8270f73a3626f3022b683d960a7fef89cb with
x0,
not x0,
or (not x0) (not x1) leaving 3 subgoals.
The subproof is completed by applying unknownprop_067bff8a3006a4231cc58926bfd8fa619cc0d4504a431e24a5ead7694d33e321 with x0.
Assume H1: x0.
Apply unknownprop_c29620ea10188dd8ed7659bc2875dc8e08f16ffd29713f8ee3146f02f9828ceb with
not x0,
not x1.
Apply unknownprop_e284d5f5a7c3a1c03631041619c4ddee06de72330506f5f6d9d6b18df929e48c with
x1.
Assume H2: x1.
Apply notE with
and x0 x1 leaving 2 subgoals.
The subproof is completed by applying H0.
Apply unknownprop_389e2fb1855352fcc964ea44fe6723d7a1c2d512f04685300e3e97621725b977 with
x0,
x1 leaving 2 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
Apply unknownprop_7c688f24c3595bc4b513e911d7f551c8ccfedc804a6c15c02d25d01a2996aec6 with
not x0,
not x1.
The subproof is completed by applying H1.