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Proofgold Proof

pf
Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι be given.
Assume H0: x0real.
Assume H1: x1real.
Assume H2: x2real.
Let x3 of type ι be given.
Assume H3: x3famunion x0 (λ x4 . {div_SNo (add_SNo x2 (mul_SNo x4 x5)) (add_SNo x4 x5)|x5 ∈ x1,SNoLt 0 (add_SNo x4 x5)}).
Apply famunionE_impred with x0, λ x4 . {div_SNo (add_SNo x2 (mul_SNo x4 x5)) (add_SNo x4 x5)|x5 ∈ x1,SNoLt 0 (add_SNo x4 x5)}, x3, x3real leaving 2 subgoals.
The subproof is completed by applying H3.
Let x4 of type ι be given.
Assume H4: x4x0.
Assume H5: x3{div_SNo (add_SNo x2 (mul_SNo x4 x5)) (add_SNo x4 x5)|x5 ∈ x1,SNoLt 0 (add_SNo x4 x5)}.
Apply ReplSepE_impred with x1, λ x5 . SNoLt 0 (add_SNo x4 x5), λ x5 . div_SNo (add_SNo x2 (mul_SNo x4 x5)) (add_SNo x4 x5), x3, x3real leaving 2 subgoals.
The subproof is completed by applying H5.
Let x5 of type ι be given.
Assume H6: x5x1.
Assume H7: SNoLt 0 (add_SNo x4 x5).
Assume H8: x3 = div_SNo (add_SNo x2 (mul_SNo x4 x5)) (add_SNo x4 x5).
Apply H8 with λ x6 x7 . x7real.
Apply real_div_SNo with add_SNo x2 (mul_SNo x4 x5), add_SNo x4 x5 leaving 2 subgoals.
Apply real_add_SNo with x2, mul_SNo x4 x5 leaving 2 subgoals.
The subproof is completed by applying H2.
Apply real_mul_SNo with x4, x5 leaving 2 subgoals.
Apply H0 with x4.
The subproof is completed by applying H4.
Apply H1 with x5.
The subproof is completed by applying H6.
Apply real_add_SNo with x4, x5 leaving 2 subgoals.
Apply H0 with x4.
The subproof is completed by applying H4.
Apply H1 with x5.
The subproof is completed by applying H6.