law reverse_reverse

bend-mathlib@0.8.1.0 · list.bend:112

import Base

112# Reversing twice gives the list back.
113law reverse_reverse:
114  for -a: Quant
115  for -A: Kind(a)
116  for xs: List<a, A>
117  {List.reverse(a, A, List.reverse(a, A, xs)) == xs : List<a, A>}