NatOrder.rhd.c2a: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrder
Lines 636-637 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=636&end_line=637

import Base

def rhd.c2a(+l: Nat, +x: Nat, +y: Nat, +b: Nat, h3: LE(1n+Nat.mul(3n, l), Nat.add(b, Nat.add(y, x))), hd: LE(Nat.mul(2n, b), Nat.add(y, x)), h6: LE(y, Nat.mul(3n, x))) -> LE(l, Nat.mul(3n, x)):
  by_contra(l, Nat.mul(3n, x), ng => rhd.c2a.k(l, x, y, b, ng, h3, hd, h6))

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.c2a.k