Proofgold Proof

pf
Let x0 of type ι be given. Let x1 of type ι → ι be given. Apply unknownprop_022784d207f9047e5a64c6129f209ae2b30533f6c8c098dbe010367b2490a2fa with c0301.. x0 x1, x0, x1. Let x2 of type ι → ι → ο be given. Assume H0: x2 (c0301.. x0 x1) (c0301.. x0 x1). The subproof is completed by applying H0. ■