def internal_bool_and_assoc
import bend-mathlib@0.8.1.0/algebra.bend as Algebraimport Base
import bend-mathlib@0.8.1.0/bool.bend as MBool
106def internal_bool_and_assoc(x: Bool, y: Bool, z: Bool) -> {Bool.and(Bool.and(x, y), z) == Bool.and(x, Bool.and(y, z)) : Bool}:
107 MBool.and_assoc(x, y, z)