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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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0 H8 T. B$ K- D4 C7 Qopen your mouth and wash it with detergent
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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.3 ^: H) @ I U% q! n( U; h7 T
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And remember:
) U% K, k! V$ U4 b* D; X& |% l"there is no evidence that A holds"
' n. p, |4 W( j9 e5 \6 b& ~does NOT mean : R' r$ c7 j: O, D1 w
"there is evident that A does not hold". 2 W0 j' s* W6 Z1 t) A: b
In fact, A could hold.
. S( Q- g+ {# j, ]! T; tIt's a matter like observability vs objective existence.
8 [5 N) l& z8 }- z$ MSo what you say doesn't constitute a refutation., u* [! P7 ~: _! q9 {! {/ L
1 a& m7 j& e3 v7 O- pIt's mainly by argumentation. See for example:
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"Does the death penalty cost less than life in prison without parole?"3 s( b4 r. `: K- z
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http://deathpenalty.procon.org/view.answers.php?questionID=001000. O# J/ [8 K- q; D n8 ^
$ \/ d, p8 t/ r& W4 |0 o$ `Remember, things are more complicated than what you think.
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