The question of whether time travel is logically impossible is a subject of ongoing scientific and philosophical debate. Currently, there is no widely accepted consensus on the matter.
In the realm of theoretical physics, several theories and models, such as those involving closed timelike curves or wormholes, propose mechanisms that could potentially allow for some form of time travel. However, these ideas often come with various unresolved issues, such as the violation of causality or the requirement of exotic matter with negative energy densities, which have not been observed in nature.
In terms of logical consistency, there are certain paradoxes associated with time travel that raise questions about its feasibility. The most famous example is the grandfather paradox, where a person travels back in time and prevents their own grandparents from meeting, thereby negating their own existence. Such paradoxes challenge the notion of causality and lead to logical inconsistencies.
However, it is worth noting that the existence of these paradoxes does not necessarily prove the impossibility of time travel. They may simply suggest that our understanding of the universe is incomplete or that the nature of time and causality is more complex than we currently comprehend.
Ultimately, the question of whether time travel is possible or logically impossible remains open. It is an active area of scientific and philosophical exploration, and future discoveries and theoretical advancements may shed further light on the subject.