NatOrder.rhd.c1b: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrder
Lines 611-612 of bend-kit-collections@0.1.4.1/nat_order.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/nat_order.bend&start_line=611&end_line=612

import Base

def rhd.c1b(+l: Nat, +x: Nat, +y: Nat, +b: Nat, hd: LE(Nat.mul(2n, b), Nat.add(y, x)), h5: LE(x, Nat.mul(3n, y))) -> LE(b, Nat.mul(3n, y)):
  by_contra(b, Nat.mul(3n, y), ng => rhd.c1b.k(l, x, y, b, ng, hd, h5))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/nat_order.bend&name=LE
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/nat_order.bend&name=by_contra
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/nat_order.bend&name=rhd.c1b.k