def aria_d1
import bend-osdev-aria@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-aria@0.1.0.0/aria.bend as A
6464def aria_d1(+s: A.LcAriaSt) -> {s == A.aria.u1(A.aria.d1(s)) : A.LcAriaSt}:
6465 %aria_e0(A.aria.d0(s)) : {s == A.aria.u0(_) : A.LcAriaSt}
6466 aria_d0(s)