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Proofgold Proof

pf
Apply add_nat_SR with u31, 17, λ x0 x1 . x1 = u49 leaving 2 subgoals.
The subproof is completed by applying nat_17.
set y0 to be ordsucc (add_nat u31 u17)
set y1 to be ordsucc u48
Claim L0: ∀ x2 : ι → ο . x2 y1x2 y0
Let x2 of type ιο be given.
Assume H0: x2 (ordsucc u48).
set y3 to be λ x3 . x2
Apply unknownprop_6ec2f6ac6597aa8a27bd71f48872c281b6db35ba57f04411d41d000f21d39490 with λ x4 x5 . y3 (ordsucc x4) (ordsucc x5).
The subproof is completed by applying H0.
Let x2 of type ιιο be given.
Apply L0 with λ x3 . x2 x3 y1x2 y1 x3.
Assume H1: x2 y1 y1.
The subproof is completed by applying H1.