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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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- u# }$ K4 i4 E. J9 jopen your mouth and wash it with detergent5 M7 `6 T+ D4 \: q( m
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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.* U( f* D6 L( g5 M# L3 l% n
7 L- Q; f8 }% M7 ?/ CAnd remember:
& `. k! X4 Z5 C% D& H% I"there is no evidence that A holds"
7 M; E, K# S: a7 V9 m1 Zdoes NOT mean
$ O( F5 R. T4 l) S4 z' v S"there is evident that A does not hold".
$ k' s* J5 S; k' e: Z/ x+ MIn fact, A could hold. H3 g% l/ p+ X& R ^/ j/ m1 L5 @
It's a matter like observability vs objective existence.
3 F. d# v3 V0 o+ l; t5 `So what you say doesn't constitute a refutation.
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It's mainly by argumentation. See for example:& F+ s% R) p6 e6 ~
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"Does the death penalty cost less than life in prison without parole?"* @, J5 M0 H" R9 N3 j9 b
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7 [- l6 E" H: A* Y% Ghttp://deathpenalty.procon.org/view.answers.php?questionID=001000' i0 v: D% P8 P$ c: b! p
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Remember, things are more complicated than what you think.
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