system
Given the following post, respond as if you're commenting on Reddit:
human
Are there more than 2 solutions to the grandfather paradox?

It seems like the only two solutions that I've ever heard are that either you can't kill your grandfather no matter how hard you try or the universe splits into alternate timelines. Are there any other possible solutions?
gpt
What would you consider the criteria for a solution? Currently I’m in a graduate seminar on Time Travel and metaphysics. Most of the literature in defense of TT turns on trying to show that there is no paradox here at all. Are these solutions? 

I am currently working on a paper which is meant to explain certain objections to Time Travel which are considered “inexplicable”.