4 ms·
I think this is supposed to be the "fixed point seeking" theory of time travel, where the resulting timeline is one where any future impact on past events is su
by dfranke 18y ago
I think this is supposed to be the "fixed point seeking" theory of time travel, where the resulting timeline is one where any future impact on past events is such that it results in exactly the same future as the one which caused those changes to the past. Basically, applying a Y combinator to the universe :-).
I had to phrase that really carefully to avoid having to invent new verb tenses.
- henning 18y agoWoah.
- hhm 18y agoAre you talking about this? http://en.wikipedia.org/wiki/Time_travel#Immutable_timelines http://en.wikipedia.org/wiki/Time_travel#Immutable_timelines
- dfranke 18y agoIt's a poorly-written article so I'm not certain, but model 1.2 might be getting at the same thing that I'm describing. http://en.wikipedia.org/wiki/Time_loop_logic#Time_loop_logic http://en.wikipedia.org/wiki/Time_loop_logic#Time_loop_logic is a better description.