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 (1ad11.. x0 x1). Apply unknownprop_e75b5686f39ea4dca8e72e616b0514162494e9e895f52dbe14fa1984a713fe57 with x0, λ x3 . nIn x3 x1, x2. The subproof is completed by applying H0. ■