Proofgold Proof

pf
Let x0 of type ι be given. Let x1 of type ι → ι be given. Let x2 of type ι be given. Assume H0: x2 ∈ c8f46.. x0 (λ x3 . x1 x3). Apply SepE2 with prim6 (UPair x0 (famunion x0 (λ x3 . Sing (x1 x3)))), 59caa.. x0 x1, x2. The subproof is completed by applying H0. ■