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 (d3786.. x0 x1). Apply unknownprop_e4362c04e65a765de9cf61045b78be0adc0f9e51a17754420e1088df0891ff67 with x0, λ x3 . prim1 x3 x1, x2. The subproof is completed by applying H0. ■