Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Let x3 of type ι be given.
Let x4 of type ι be given.
Let x5 of type ι be given.
Let x6 of type ι be given.
Let x7 of type ι be given.
Apply add_SNo_Le3 with
x0,
add_SNo x1 (add_SNo x2 x3),
x4,
add_SNo x5 (add_SNo x6 x7) leaving 6 subgoals.
The subproof is completed by applying H0.
Apply SNo_add_SNo_3 with
x1,
x2,
x3 leaving 3 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
Apply SNo_add_SNo_3 with
x5,
x6,
x7 leaving 3 subgoals.
The subproof is completed by applying H5.
The subproof is completed by applying H6.
The subproof is completed by applying H7.
The subproof is completed by applying H8.
Apply unknownprop_c65c101ade85bfa060331a47af562cb2e92a7682259cab9d1c17312979426654 with
x1,
x2,
x3,
x5,
x6,
x7 leaving 9 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
The subproof is completed by applying H3.
The subproof is completed by applying H5.
The subproof is completed by applying H6.
The subproof is completed by applying H7.
The subproof is completed by applying H9.
The subproof is completed by applying H10.
The subproof is completed by applying H11.