Apply unknownprop_a23ec6a55ac212526d74cbf0d04096929ad453b0eb0f8023e32b8a33930d39fb with
1,
Sing 0 leaving 2 subgoals.
The subproof is completed by applying unknownprop_e8598561026ee5bf15479322ab1713bd41b786cd16638ceaff374ea0aee3dd94.
The subproof is completed by applying unknownprop_5bed855d556d4f49105d47ca79d50a264bcd63912661d8ce415c889eacd38367.