List.reverse_singleton: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/list.bend as List
Lines 387-392 of bend-mathlib@0.8.1.0/list.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/list.bend&start_line=387&end_line=392

import Base

# Reversing a one-element list gives it back.
law reverse_singleton:
  for -a: Quant
  for -A: Kind(a)
  for -x: A
  {List.reverse(a, A, [x]) == [x] : List<a, A>}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.reverse