Proofgold Proof

pf
Let x0 of type ι be given. Let x1 of type ι be given. Assume H0: Subq x0 x1. Let x2 of type ι be given. Apply unknownprop_84e8022b22d61183ca3aa67fdf563eb7a078363806d0d452110b6b296446b822 with x0, x1, λ x3 . x2. The subproof is completed by applying H0. ■