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Proofgold Proof

pf
Let x0 of type ι be given.
Assume H0: x0omega.
Apply and3I with x0omega, x0omega, ∃ x1 . and (x1omega) (mul_nat x0 x1 = x0) leaving 3 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H0.
Let x1 of type ο be given.
Assume H1: ∀ x2 . and (x2omega) (mul_nat x0 x2 = x0)x1.
Apply H1 with 1.
Apply andI with 1omega, mul_nat x0 1 = x0 leaving 2 subgoals.
Apply nat_p_omega with 1.
The subproof is completed by applying nat_1.
The subproof is completed by applying mul_nat_1R with x0.