1) The document discusses the philosophy of tenseless time and whether time travel to the past or future is possible. It analyzes this question through the lenses of different philosophical theories and perspectives.
2) It examines the concept of determinism and fatalism, which suggest that all events are predetermined and inevitable based on prior causes, limiting free will.
3) The document uses the film The Butterfly Effect 3 as an example to explore these issues, discussing whether the main character could change fate by altering past events or if the predetermined future would still occur.