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Proofgold Proof

pf
Let x0 of type ι be given.
Assume H0: SNo x0.
Assume H1: ∀ x1 . x1SNoS_ omega(∀ x2 . x2omegaSNoLt (abs_SNo (add_SNo x1 (minus_SNo x0))) (eps_ x2))x1 = x0.
Assume H2: ∀ x1 . x1omega∃ x2 . and (x2SNoS_ omega) (and (SNoLt x2 x0) (SNoLt x0 (add_SNo x2 (eps_ x1)))).
Apply SNo_prereal_incr_lower_approx with minus_SNo x0, ∃ x1 . and (x1setexp (SNoS_ omega) omega) (∀ x2 . x2omegaand (and (SNoLt (add_SNo (ap x1 x2) (minus_SNo (eps_ x2))) x0) (SNoLt x0 (ap x1 x2))) (∀ x3 . x3x2SNoLt (ap x1 x2) (ap x1 x3))) leaving 4 subgoals.
Apply SNo_minus_SNo with x0.
The subproof is completed by applying H0.
Apply minus_SNo_prereal_1 with x0 leaving 2 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
Apply minus_SNo_prereal_2 with x0 leaving 2 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H2.
Let x1 of type ι be given.
Assume H3: (λ x2 . and (x2setexp (SNoS_ omega) omega) (∀ x3 . x3omegaand (and (SNoLt (ap x2 x3) (minus_SNo x0)) (SNoLt (minus_SNo x0) (add_SNo (ap x2 x3) (eps_ x3)))) (∀ x4 . x4x3SNoLt (ap x2 x4) (ap x2 x3)))) x1.
Apply H3 with ∃ x2 . and (x2setexp (SNoS_ omega) omega) (∀ x3 . x3omegaand (and (SNoLt (add_SNo (ap x2 x3) (minus_SNo (eps_ x3))) x0) (SNoLt x0 (ap x2 x3))) (∀ x4 . x4x3SNoLt (ap x2 x3) (ap x2 x4))).
Assume H4: x1setexp (SNoS_ omega) omega.
Assume H5: ∀ x2 . x2omegaand (and (SNoLt (ap x1 x2) (minus_SNo x0)) (SNoLt (minus_SNo x0) (add_SNo (ap x1 x2) (eps_ x2)))) (∀ x3 . x3x2SNoLt (ap x1 x3) (ap x1 x2)).
Claim L6: ...
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Let x2 of type ο be given.
Assume H7: ∀ x3 . and (x3setexp (SNoS_ omega) omega) (∀ x4 . x4omegaand (and (SNoLt (add_SNo (ap x3 x4) (minus_SNo (eps_ x4))) x0) (SNoLt x0 (ap x3 x4))) (∀ x5 . x5x4SNoLt (ap x3 x4) (ap x3 x5)))x2.
Apply H7 with lam omega (λ x3 . minus_SNo (ap x1 x3)).
Apply andI with lam ... ......, ... leaving 2 subgoals.
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