def un.band_f
import bend-osdev-u32@0.1.0.0/PROOF.bend as PROOFimport Base
1915def un.band_f(x: Bool) -> {Bool.and(x, False{}) == False{} : Bool}:
1916 match x:
1917 case True{}:
1918 {==}
1919 case False{}:
1920 {==}
import bend-osdev-u32@0.1.0.0/PROOF.bend as PROOFimport Base
1915def un.band_f(x: Bool) -> {Bool.and(x, False{}) == False{} : Bool}:
1916 match x:
1917 case True{}:
1918 {==}
1919 case False{}:
1920 {==}