The grandfather paradox is a type of Temporal Paradox. The name comes from the most famous variation, namely "what would happen if you traveled back in time ...

A contradiction of causality within the timeline brought about by Time Travel. Theorized to be dangerous to the fabric of reality.

Basic Trope: A Temporal Paradox wherein a character travels back in time and kills their relative (usually a grandparent), thus preventing their conception.

If I were so inclined, I could kill my grandfather before he had had a chance to meet my grandmother, thereby depriving myself of the privilege of being born!

Elmer Kills his Grandpa. The Commission explains how traveling back and time and killing your grandfather can break reality.

Simply put, a Stable Time Loop where one is one's own ancestor. Of course, this implies an Identical Grandson, and an Ontological Paradox which results in a ...

1 день назад · Grandfather Paradox: time traveller back in the past causes something not to happen or exist, but it is already known to have happened or ...

A character uses a trope which may be clichéd, discredited or even dead at this point, but is allowed because it's tied into the character's legacy.

31 янв. 2022 г. · The grandfather paradox is a self-contradictory situation that arises in some time travel scenarios that is illustrated by the impossible scenario in which a ...

27 мар. 2023 г. · The paradox part of the Grandfather Paradox occurs when a time traveler creates a self-contradicting scenario where effect precedes cause.