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originally posted by: texasyeti
No one is innocent.
The paradox is described as follows: the time traveller goes back in time and kills his grandfather before his grandfather meets his grandmother. As a result, the time traveller is never born. But, if he was never born, then he is unable to travel through time and kill his grandfather, which means the traveller would then be born after all, and so
originally posted by: swanne
a reply to: muSSang
The grandfather paradox is an apparent paradox caused by those human minds who cannot think four-dimensionally.
Actually, in the example you quote, the time traveller's existence is preserved, the reason being as simple as the fact that historical change move at a finite speed across time (namely, one second per second). Since the traveller too is moving at the same speed in time, then the paradox never contacts the traveller's location in his (or her) relative time.
originally posted by: crayzeed
a reply to: Yavanna
Oh, Yavanna you naughty girl. Your trying to short cut the result of the present doctors dilemma. Does he kill Davros or doesn't he? Will he be right or wrong if he killed Davros.
Just watch the series and be satisfied with the conclusion. Or better still wait for the end of the series and post the same question again.
For the Americans on here ( as her profile location is the TARDIS) she's talking about Doctor Who s latest dilemma.