def nearhi.w0
import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrderimport Base
import bend-mathlib@0.7.4.0/bool.bend as MBool
829def nearhi.w0(+a: Nat, +c: Nat, +c2: Nat, +n1: LE(c, 1n+c2), +n2: LE(c2, 1n+c)) -> {near(Nat.add(a, c), Nat.add(a, c2)) == True{} : Bool}:
830 MBool.and_eq_true(Nat.is_le(Nat.add(a, c), 1n+Nat.add(a, c2)), Nat.is_le(Nat.add(a, c2), 1n+Nat.add(a, c)), nearhi.c0a(a, c, c2, n1), nearhi.c0b(a, c, c2, n2))