Apply unknownprop_959771339f7cf71f620f34cfd369621e1910f352584f3a6002a869b8d17cee3a with
8dd2c..,
c6963.. leaving 3 subgoals.
The subproof is completed by applying unknownprop_14a4ee8538d143fe8dc45eb2eb967d12f82b99130422357962aa2d0a55ab88f9.
The subproof is completed by applying unknownprop_57b8ec8100fb47d95fd7bcee1eb4fed21bcf07a9bbfc00cf18bdb9c88823060f.
The subproof is completed by applying unknownprop_61bcd948d8df9a37b038fa76c8759a4ad7ce26206212c492a4e81a8500373590.