def pk_f
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64close.bend as F64closeimport Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
47def pk_f(+x: Bool, +y: Bool) -> {SF.pick(Bool, False{}, x, y) == y : Bool}:
48 {==}