| ∀ x0 . ∀ x1 : ι → ο . (∀ x2 . x1 x2 ⟶ ∀ x3 . x3 ∈ x2 ⟶ nIn x0 x3) ⟶ ∀ x2 : ι → ι → ι . (∀ x3 x4 . x1 x3 ⟶ x1 x4 ⟶ x1 (x2 x3 x4)) ⟶ ∀ x3 x4 . CD_carr x0 x1 x3 ⟶ CD_carr x0 x1 x4 ⟶ CD_proj1 x0 x1 (CD_add x0 x1 x2 x3 x4) = x2 (CD_proj1 x0 x1 x3) (CD_proj1 x0 x1 x4) |
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