law drop_zero

bend-mathlib@0.8.1.0 · list.bend:243

import Base

243# Dropping zero elements gives the list back.
244law drop_zero:
245  for -a: Quant
246  for -A: Kind(a)
247  for xs: List<a, A>
248  {List.drop(a, A, xs, 0n) == xs : List<a, A>}