The 9th statement is true, "At least 9 of these statements are false." The only true statement is that one, and the rest are false.
Although I realized just now, that the first statement could have been true too, leading up to the 9th statement--it was at least x amount of statements, so that the first statement ("At least one of these statements is false") is true also. Because that is the only true one and all the other ones are false, the "all the other ones" is 9 statements which is at least one.
I'm aware that that last paragraph didn't really make sense.
What I meant was that because all of the statements say "at least", then all the statements with the exception of the 10th one could be true. For example, the first statement was "At least one of these statements is false". Say if that was the true statement, then the 9 others are false, which is more than one ("at least one", not "exactly one"). So statements 1-9 could all be true.
There, see? That made sense. :P
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