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: prim1 x2 (ac767.. x0 x1). Apply unknownprop_98f3c840cba6bdce01722164c49b9631757b7c90bc7c46b34a7200f5fcc911e5 with x0, λ x3 . x1, x2. The subproof is completed by applying H0. ■