Student or Learner
He comes to an idealist solution that in the Feynman method we discover "histories that contribute to the Feynman sum don't have an independent existence, but depend on what is being measured. We create history by our observation, rather than history creating us" (GD: Loc 1,418). He presents his case stating as example that in one universe the moon might be made of cheese, but sense we have observed that the moon is not made of cheese then we can eliminate histories of universes that produce moons made out of cheese from contributing to the present state of our universe, though they might contribute to the others. He emphasizes that this might sound like science fiction, but it is not. (GD: Loc 1,422).