def GcdAll.divides
import bend-collections-laws-crypto@1.0.0.0/spec/math/natural.bend as Naturalimport Base
import bend-collections-laws-crypto@1.0.0.0/src/math/natural.bend as M
162def GcdAll.divides(+xs: List<&2, Nat>, +i: Nat) -> Type:
163 dvd(M.gcd_all(xs), nth0(xs, i, 0n))