Sim.rewind_run: law of bend-lawful-stdlib@0.1.0.0
Import: import bend-lawful-stdlib@0.1.0.0/src/sim.bend as Sim
Lines 79-86 of bend-lawful-stdlib@0.1.0.0/src/sim.bend: https://jend.leeeet.dev/read.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&start_line=79&end_line=86

import Base
import bend-lawful-stdlib@0.1.0.0/src/class.bend as C

# rewinding n steps undoes running n steps
law rewind_run:
  for ~P: Data
  for ~g: C.Group<P>
  for ~F: P -> P
  for +n: Nat
  for +s: State<P>
  {s == rewind(~P, ~g, ~F, n, run(~P, ~g, ~F, n, s)) : State<P>}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/class.bend&name=Group
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=back
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=back_step
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=rewind
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=run
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/sim.bend&name=run_step