Retrieving "Time Machine" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Temporal Paradoxes

   Linked via "time machine"

   In contrast to consistency paradoxes, predestination paradoxes involve closed causal loops where the past action is the cause of the future event, often resulting in a self-fulfilling prophecy. While not strictly a logical contradiction in the sense of $\text{A} \land \neg\text{A}$, they violate standard linear causality by having no true beginning.
   For example, a scientist receives plans for a time machine from their future self, builds it, and subsequently travels back to give the plans to their past self. T…