def aria_dd4
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
6492def aria_dd4(+s: A.LcAriaSt) -> {s == A.aria.d4(A.aria.u4(s)) : A.LcAriaSt}:
6493 %aria_dd3(A.aria.e3(s)) : {s == A.aria.e3(_) : A.LcAriaSt}
6494 aria_e3(s)