The Time Travel Case - Is There a Contradiction?

Time trouble case is intrinsically more hand wavy than the benedetti case. If you go back time, shall kill your grandfather e return t the same point in the time line, then you will have never existed to travel in the past. Fred can't live, but he can't a. It's not as clear cut a contradiction. But i don't know that anyone' any of that mechanism cashed out properly. And there you know, a coons's paper has an example of one such derivation. An shackles paper does too. This papered by luna and erasmus. O its ot is you most like like and waver.