NatOrder.rhs.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 404-405 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=404&end_line=405

import Base

def rhs.c1b(+l: Nat, +a: Nat, +b: Nat, h4: LE(Nat.add(b, a), Nat.add(3n, Nat.mul(3n, l))), hs: LE(1n+a, Nat.mul(2n, b)), pl: LE(1n, l)) -> LE(a, Nat.mul(3n, l)):
  by_contra(a, Nat.mul(3n, l), ng => rhs.c1b.k(l, a, b, ng, h4, hs, pl))

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=rhs.c1b.k