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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 ) c! m' M. D' _- p! d
; k- c( |& Q* F; @6 O- Q0 J) zopen 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.
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: P) S9 e% r7 ^. L8 }& n: tAnd remember:
0 t3 c2 U4 D9 A1 h2 i+ [/ E! d8 L"there is no evidence that A holds" & K/ e9 i: z$ c' L9 A$ E9 C+ s
does NOT mean
- P$ @( D% a4 G) l! R"there is evident that A does not hold". # \/ B0 Z, v" a
In fact, A could hold.
+ ^0 C' [3 B& J4 A# t1 aIt's a matter like observability vs objective existence.
% N, l5 Y; p4 m0 Q, Z3 zSo what you say doesn't constitute a refutation.& K; S/ B) h: r* w9 z
l; H' W/ P- j* NIt's mainly by argumentation. See for example:+ p, l8 |: E# F0 w4 v
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"Does the death penalty cost less than life in prison without parole?"
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1 {. ~* W) Q6 w- Vhttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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( t. Z$ q- Q* [9 ^Remember, things are more complicated than what you think.
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