law reverse_singleton_sym

bend-mathlib@0.8.1.0 · list.bend:2387

import Base

2387# Reversing a one-element list gives it back, reversed to rewrite toward the simple side.
2388law reverse_singleton_sym:
2389  for -a: Quant
2390  for -A: Kind(a)
2391  for -x: A
2392  {[x] == List.reverse(a, A, [x]) : List<a, A>}