def iroot_zero
import bend-collections-laws-math@1.0.0.0/proofs/math/natural/roots.bend as Rootsimport Base
import bend-collections-laws-math@1.0.0.0/src/math/natural.bend as M
251def iroot_zero(+n: Nat) -> {M.iroot(n, 0n) == Fail{M.Domain{}} : Result<&2, &2, M.MathError, Nat>}:
252 {==}