LAWS.flatten_residues_append: law of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/LAWS.bend as LAWS
Lines 316-320 of bend-prot@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-prot@0.1.0.0/LAWS.bend&start_line=316&end_line=320

import Base
import bend-prot@0.1.0.0/protein.bend as P

# Flattening distributes over appending residue lists.
law flatten_residues_append:
  for xs: List<&2, P.Residue>
  for ys: List<&2, P.Residue>
  {P.flatten_residues(P.append_residues(xs, ys)) == P.append_atoms(P.flatten_residues(xs), P.flatten_residues(ys)) : List<&2, P.Atom>}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/LAWS.bend&name=append_atoms_assoc
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=Atom
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=Residue
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=append_atoms
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=append_residues
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=flatten_residues