law drop_drop

lawful-bytes@0.1.1.0 · proof_fast_append.bend:29

import Base

29law drop_drop:
30  for +xs: List<&2, U32>
31  for +a: Nat
32  for +b: Nat
33  {List.drop(&2, U32, List.drop(&2, U32, xs, a), b) == List.drop(&2, U32, xs, Nat.add(a, b)) : List<&2, U32>}