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Old 2005-10-08, 19:28   #56
Orgasmic Troll
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Quote:
Originally Posted by xilman
Perhaps so, perhaps not.

I, however, want to learn. In particular, I want to learn what he makes of non-Euclidean geometry.

I've already learned something from him that should have been obvious to me: the necessity of specifying whether "line" has directionality. There are fields where this distinction is absolutely crucial: think of the "world-line" in relativity theory for example. Causality, as far as we can tell, is uni-directional.

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Old 2010-09-05, 06:23   #57
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Quote:
Originally Posted by jinydu
Every integer is finite
10 is obviously finite.

Last fiddled with by 3.14159 on 2010-09-05 at 06:25
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Old 2010-09-05, 13:01   #58
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Quote:
Originally Posted by 3.14159 View Post
10 is obviously finite.
10 = ∞
10 is not an integer, and it is not finite. There's no contradiction here. Try naming one integer that isn't finite. You can't.

Last fiddled with by TimSorbet on 2010-09-05 at 13:02
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Old 2010-09-05, 17:48   #59
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...and this thread is from 2005. What's with bumping up old posts?
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