def aria_dd19
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
6612def aria_dd19(+s: A.LcAriaSt) -> {s == A.aria.d19(A.aria.u19(s)) : A.LcAriaSt}:
6613 %aria_dd18(A.aria.e18(s)) : {s == A.aria.e18(_) : A.LcAriaSt}
6614 aria_e18(s)