Apply H1 with
λ x2 : ι → ι → ι → ι → ι → ι → ι → ι → ι → ι → ι → ι → ι → ι . TwoRamseyGraph_3_5_Church13 (λ x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 . x3) x2 = TwoRamseyGraph_3_5_Church13 (Church13_perm_2_3_4_5_6_7_8_9_10_11_12_0_1 (λ x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 . x3)) (Church13_perm_2_3_4_5_6_7_8_9_10_11_12_0_1 x2) leaving 13 subgoals.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.
Let x2 of type (ι → ι → ι) → (ι → ι → ι) → ο be given.
The subproof is completed by applying H2.