def b2n_le1
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64round.bend as F64roundimport Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
426def b2n_le1(+c: Bool) -> {Nat.is_le(SF.b2n(c), 1n) == True{} : Bool}:
427 match c:
428 case True{}:
429 {==}
430 case False{}:
431 {==}