NatOrder.rhd.c0a: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrder
Lines 558-559 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=558&end_line=559

import Base

def rhd.c0a(+l: Nat, +x: Nat, +y: Nat, +b: Nat, h1: LE(Nat.add(y, x), Nat.mul(3n, b)), h3: LE(1n+Nat.mul(3n, l), Nat.add(b, Nat.add(y, x))), h5: LE(x, Nat.mul(3n, y))) -> LE(Nat.add(x, l), Nat.mul(3n, Nat.add(b, y))):
  by_contra(Nat.add(x, l), Nat.mul(3n, Nat.add(b, y)), ng => rhd.c0a.k(l, x, y, b, ng, h1, h3, 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.c0a.k