 鲜花( 5)  鸡蛋( 6)
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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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open your mouth and wash it with detergent
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: a, H' G7 L X- K8 t6 xsure 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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9 x6 C: d. U* l6 xAnd remember: 0 S% U8 R* q0 i% H! C
"there is no evidence that A holds" . q3 [7 L4 M3 t, U6 [
does NOT mean 2 J1 y) y7 I x* x; ?
"there is evident that A does not hold". 0 V7 a- x) T" |. I. i
In fact, A could hold.
! g" F# d* y# O: l- cIt's a matter like observability vs objective existence.% @2 K, j8 e! P1 ~0 U# c, S% B$ p
So what you say doesn't constitute a refutation.
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It's mainly by argumentation. See for example:
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"Does the death penalty cost less than life in prison without parole?") i% K5 H, q, p
in
1 H9 D' k3 a, W5 m3 @2 y/ z" k+ chttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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Remember, things are more complicated than what you think.
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