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单词 grandfather paradox
释义

Definition of grandfather paradox in English:

grandfather paradox

noun
Science Fiction
  • A paradox concerning the implications of time travel, expressed by the idea that a hypothetical time traveller could potentially go back into the past and (deliberately or inadvertently) kill his or her grandfather, thus preventing the time traveller's existence and the possibility of having travelled back into the past in the first place.

Origin

1970s; earliest use found in Larry Niven (b. 1938).

Definition of grandfather paradox in US English:

grandfather paradox

noun
Science Fiction
  • A paradox concerning the implications of time travel, expressed by the idea that a hypothetical time traveller could potentially go back into the past and (deliberately or inadvertently) kill his or her grandfather, thus preventing the time traveller's existence and the possibility of having travelled back into the past in the first place.

Origin

1970s; earliest use found in Larry Niven (b. 1938).

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更新时间:2024/12/27 19:01:58