NatOrder.rhs.c1a: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrder
Lines 382-383 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=382&end_line=383

import Base

def rhs.c1a(+l: Nat, +a: Nat, +b: Nat, h2: LE(b, Nat.mul(3n, a)), h3: LE(1n+Nat.mul(3n, l), Nat.add(b, a))) -> LE(l, Nat.mul(3n, a)):
  by_contra(l, Nat.mul(3n, a), ng => rhs.c1a.k(l, a, b, ng, h2, h3))

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.c1a.k