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ost_uid0]I don't know that novel. What was the explanation?
I'll try to guess though. I've thought about this whole paradox thing a lot.
If you (lets call him you_1) send a message back to your past self (lets call him you_2), to prevent a disaster, you_1 shouldn't only send that message, but you_1 should also tell you_2 to send the exact same message back in time to you_3, even though you_2 already prevented the disaster. Then you_3 becomes you_2 and you_2 becomes you_1 and it starts all over, without a temporal paradox.
lol, am I making any sense?[/color
ost_uid0]