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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 # u( I) Y) I& a2 _2 @
5 h* J- H- m6 E- oopen 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.8 \1 m, |* A% s D! z+ N
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And remember: 2 a: Y% R9 W4 t: w
"there is no evidence that A holds" & s; j- a* e+ x) b$ |& ^
does NOT mean
1 w* x0 X( }; M* ^"there is evident that A does not hold". . f3 u8 u, @$ v- @
In fact, A could hold.
; }8 O5 H9 ]7 {) l" L4 I1 gIt's a matter like observability vs objective existence.
' U( y3 p$ n/ I( k! GSo what you say doesn't constitute a refutation.
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0 z: a* a' T1 C" z& q! \It's mainly by argumentation. See for example:
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" b/ `3 R+ h( o9 b% i' _$ q"Does the death penalty cost less than life in prison without parole?"3 i- Q3 k! A/ R) V; U1 p
in
- B. e# }/ Q' ?* g4 h, ehttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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# f: D1 D G" i. \9 O% S1 D( X5 A2 O3 nRemember, things are more complicated than what you think.
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