Temporal Paradox: Difference between revisions

* Played with in the latest ''[[Thursday Next]]'' book, where they find that despite the existence of the [[Time Police|Chronoguard]], no one has actually ''invented'' time travel yet, so they assume that the technology much have been sent from the future and eventually they'll find the spot on the timeline where someone invented it to [[Stable Time Loop|close the gap]]. As one character describes it, it's like they're running the technology "off of borrowed credit." This causes trouble however, when the Chronoguard begins to realize that no one in the timeline ''ever'' invented time travel. The resulting paradox causes the system to unravel and gets rid of any further possibility of [[Time Travel]] in the series (although it seems everyone in the populace has a [[Ripple-Effect-Proof Memory]]).

** But by the nature of the series, couldn't someone just enter [[H. G. Wells]]'s novel and bring out a working time machine?

* In ''Flatterland'' (a [[Spin Offspring]] sequal to [[Flatland]]), Victoria Line and the Space Hopper end up trapped in a black hole. They're rescued by slightly older versions of themselves with a portable white hole, producing both a reverse grandfather paradox and an object loop.

* {{spoiler|There's a human version of the object loop}} in [[Discworld/Pyramids|Pyramids]], with {{spoiler|Dios (who frequently makes reference to a lack of memory very far back) being transported backwards through time to the beginning of Djelibeybi. There's also some Reverse-Grandfather involved, considering he persuaded the original founder of Djelibeybi to begin the Pyramid tradition, which in turn allowed Dios to live long enough to go back in time to persuade the founder and so on...}}