def eb_inv
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/pow.bend as Powimport Base
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend as L
251def eb_inv(+one: Nat, +h1: {one == 1n : Nat}) -> {eb(one, inv_bits()) == 11n : Nat}:
252 L.subst(Nat, o => {eb(o, inv_bits()) == 11n : Nat}, 1n, one, Equal.sym(Nat, one, 1n, h1), {==})