Lists.append_assoc: law of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/lists.bend as Lists
Lines 17-21 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/lists.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/hash/lists.bend&start_line=17&end_line=21

import Base

law append_assoc:
  for +xs: List<&2, U32>
  for +ys: List<&2, U32>
  for +zs: List<&2, U32>
  {List.append(&2, U32, List.append(&2, U32, xs, ys), zs) == List.append(&2, U32, xs, List.append(&2, U32, ys, zs)) : List<&2, U32>}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32