You sound as confident as the protagonist of many a time travel short story! Edit to add: your comment reminded me specifically of a Ted Chiang story, "What's

You sound as confident as the protagonist of many a time travel short story! Edit to add: your comment reminded me specifically of a Ted Chiang story, "What's Expected Of Us": https://www.nature.com/articles/436150a https://www.nature.com/articles/436150a I found that link via a blog post that excoriates it for its supposed logical fallacies: https://loopingworld.com/2019/07/13/debunking-ted-chiang-recurring-idea-exhalation/ https://loopingworld.com/2019/07/13/debunking-ted-chiang-rec.... I don't necessarily agree or disagree with that, but I do disagree that it's "obviously" logically wrong or inconsistent.