Nat.sub_le: law of bend-lawful-stdlib@0.1.0.0
Import: import bend-lawful-stdlib@0.1.0.0/src/nat.bend as Nat
Lines 82-86 of bend-lawful-stdlib@0.1.0.0/src/nat.bend: https://jend.leeeet.dev/read.txt?path=bend-lawful-stdlib@0.1.0.0/src/nat.bend&start_line=82&end_line=86

import Base

# a - k <= a (Nat.sub stops at 0)
law sub_le:
  for a: Nat
  for k: Nat
  LE(Nat.sub(a, k), a)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/nat.bend&name=LE
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/nat.bend&name=le_refl
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/nat.bend&name=le_step
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/nat.bend&name=le_trans