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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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sure there is no rigorous statistical evidence because there is no way to manipulate in the experiment so as to fully justify the causality.& `, w! l% N* h4 K( Y5 Z# F
6 Y- T* r' x" kAnd remember: ' V$ J' q0 M2 S4 b4 c1 p6 @
"there is no evidence that A holds" 8 [- ~, _, ]0 h
does NOT mean # x% b) T6 n% U- C
"there is evident that A does not hold". ; M: _& W ?4 F# [; G7 h8 h
In fact, A could hold. & a) p* F3 S4 [, J2 e
It's a matter like observability vs objective existence.8 G3 `6 \9 B, i) j5 x3 V* [
So what you say doesn't constitute a refutation.% N! C9 i Y# f, C$ }' }
: i3 |. \- M& e' ]9 tIt's mainly by argumentation. See for example:
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) A; @/ P* E$ [- ]* B2 O: u"Does the death penalty cost less than life in prison without parole?"5 q) |' V- m6 W/ m: O. P2 i! ~
in
* q/ E; T5 t% A/ J+ X X) A# y7 vhttp://deathpenalty.procon.org/view.answers.php?questionID=001000' U( ] }5 N6 ]9 L
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Remember, things are more complicated than what you think.
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