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Definition of Grandfather paradox
1. Noun. The paradox of time travel that hypothetically occurs when one person goes back to the past and kills their biological grandfather before the latter fathered the traveller's father, thus, by extension, preventing the traveller to ever be conceived in the first place. ¹
2. Noun. An instance of the grandfather paradox. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Grandfather Paradox
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