Deque.Deque.to_list.push_back: law of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/deque.bend as Deque
Lines 272-278 of bend-kit-collections@0.1.4.1/deque.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/deque.bend&start_line=272&end_line=278

import Base

# LAW: push_back puts the element at the end of the list
law Deque.to_list.push_back:
  for -A: Data
  for -x: A
  for  d: Deque<&2, A>
  {Deque.to_list(&2, A, Deque.push_back(&2, A, x, d))
   == List.append(&2, A, Deque.to_list(&2, A, d), [x]) : List<&2, A>}

Uses (8):
  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=List.reverse
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque.lemma.append_assoc
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque.lemma.reverse_go
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque.push_back
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque.to_list