| 单词 | grandfather paradox |
| 释义 | > as lemmasgrandfather paradox grandfather paradox n. (also with capital initials) chiefly 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.The paradox was first described in René Barjavel's 1943 novel Le Voyageur Imprudent. ΚΠ 1971 L. Niven All Myriad Ways 111 The Grandfather Paradox is basic to any discussion of time travel... We will call any such interference with the past, especially self-cancelling interference, a Grandfather Paradox. 1989 A. I. Janis in S. K. Biswas et al. Cosmic Perspectives xiv. 242 Considerations like the grandfather paradox have caused many people..to conclude that any solutions to the equations of general relativity that allow such travel into the past must be ruled out. 2012 Mercury (Hobart, Tasmania) (Nexis) 29 Sept. 47 The grandfather paradox rears its baffling head in some form in pretty much every time travel story in text and on screen. < as lemmas |
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