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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 & P* V0 O3 k! ~% R( ]$ P
5 G. A8 ]5 n8 ^open your mouth and wash it with detergent- `+ L- Q9 P% W, }+ u2 a* L6 a
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sure there is no rigorous statistical evidence because there is no way to manipulate in the experiment so as to fully justify the causality.
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And remember: : B. k, q4 c5 X0 X5 r
"there is no evidence that A holds"
+ `3 z+ @: U2 ~* ^" z$ b/ l0 Cdoes NOT mean + c+ b8 L- V U7 L8 i
"there is evident that A does not hold". , ^' B2 c5 p" B/ [9 g+ U" C
In fact, A could hold. - I% c! I4 U9 F% ]- M
It's a matter like observability vs objective existence.. a w3 i, \2 Y' s# ~
So what you say doesn't constitute a refutation.- P! ]8 T6 q$ Q& w6 ]
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It's mainly by argumentation. See for example:0 j) W+ H8 B, G7 i
; L9 W' m9 P, e. E6 j0 j; f"Does the death penalty cost less than life in prison without parole?"
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http://deathpenalty.procon.org/view.answers.php?questionID=001000
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Remember, things are more complicated than what you think.8 b# F) t/ _5 N$ Y8 r& Y8 R
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楼主: weidsun
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发表于 2012-6-6 21:15
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楼主
发表于 2012-6-7 14:59
