Let x0 of type ι → ι → ι → ο be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Let x3 of type ι be given.
Apply unknownprop_afbf697e4489c80654ae2bc4c6605f6f1d2a8b7dcfe3f07863a96592ab5c88f5 with
x1.
The subproof is completed by applying H1.
Apply unknownprop_1f03c3e4cc230143731a84d6351b78522f6051d5113f644774435abf9cb5a984 with
e4431.. x1.
The subproof is completed by applying L4.
Apply unknownprop_55be23921c8e687561ab6e9faf36ed3618fa021f01ef196ba95aa8fcda0b83ee with
x1.
The subproof is completed by applying H1.
Apply unknownprop_afbf697e4489c80654ae2bc4c6605f6f1d2a8b7dcfe3f07863a96592ab5c88f5 with
x2.
The subproof is completed by applying H2.
Apply unknownprop_1f03c3e4cc230143731a84d6351b78522f6051d5113f644774435abf9cb5a984 with
e4431.. x2.
The subproof is completed by applying L7.
Apply unknownprop_55be23921c8e687561ab6e9faf36ed3618fa021f01ef196ba95aa8fcda0b83ee with
x2.
The subproof is completed by applying H2.
Apply unknownprop_afbf697e4489c80654ae2bc4c6605f6f1d2a8b7dcfe3f07863a96592ab5c88f5 with
x3.
The subproof is completed by applying H3.
Apply unknownprop_1f03c3e4cc230143731a84d6351b78522f6051d5113f644774435abf9cb5a984 with
e4431.. x3.
The subproof is completed by applying L10.
Apply unknownprop_55be23921c8e687561ab6e9faf36ed3618fa021f01ef196ba95aa8fcda0b83ee with
x3.
The subproof is completed by applying H3.
Apply H0 with
4ae4a.. (e4431.. x1),
4ae4a.. (e4431.. x2),
4ae4a.. (e4431.. x3),
x1,
x2,
x3 leaving 6 subgoals.
The subproof is completed by applying L5.
The subproof is completed by applying L8.
The subproof is completed by applying L11.
The subproof is completed by applying L6.
The subproof is completed by applying L9.
The subproof is completed by applying L12.