def pick_lt
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
705def pick_lt(+c: Bool) -> {Nat.is_lt(SF.pick(Nat, c, 1n, 2n), 2047n) == True{} : Bool}:
706 match c:
707 case True{}:
708 {==}
709 case False{}:
710 {==}