Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Apply H2 with
prim1 x1 (56ded.. x0).
Apply unknownprop_1dada0fb38ff7f9b45b564ad11d6295d93250427446875218f17ee62431454a6 with
e5b72.. (472ec.. x0),
λ x3 . ∃ x4 . and (prim1 x4 x0) (1beb9.. x4 x3),
x1 leaving 2 subgoals.
Apply unknownprop_85c22e88a806aabda7246f27ac458442bcb94ac25cc9a3616a68cf646d95941d with
472ec.. x0,
x1.
Apply Subq_tra with
x1,
472ec.. x2,
472ec.. x0 leaving 2 subgoals.
The subproof is completed by applying H3.
Apply unknownprop_5813163ff7fa03d61d24c49d410e2bda481a277587cdabb44464165443a4046d with
x2,
x0.
Apply H0 with
Subq x2 x0.
Apply H5 with
x2.
The subproof is completed by applying H1.
Let x3 of type ο be given.
Apply H5 with
x2.
Apply andI with
prim1 x2 x0,
1beb9.. x2 x1 leaving 2 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H2.