Backward.operands_below: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/backward.bend as Backward
Lines 174-185 of bendtorch-core@0.1.0.0/src/autograd/backward.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&start_line=174&end_line=185

import Base

def operands_below(node: Node, +bound: Nat) -> Bool:
  match node:
    case Leaf{}:
      True{}
    case Add{a, b}:
      Bool.and(Nat.is_lt(a, bound), Nat.is_lt(b, bound))
    case Sub{a, b}:
      Bool.and(Nat.is_lt(a, bound), Nat.is_lt(b, bound))
    case Mul{a, b, left, right}:
      Bool.and(Nat.is_lt(a, bound), Nat.is_lt(b, bound))
    case Neg{a}:
      Nat.is_lt(a, bound)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=Node