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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 m3 W/ H# o% f# r/ M2 O) X
: ^- `% T; J1 v; [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.* E* X4 u, [4 E& E9 u* p1 x
! i& j/ o \+ \And remember: , e% J) ~" i3 ~- y% V& X$ F
"there is no evidence that A holds"
, D M& Y& w1 L7 A6 W. m% ~" edoes NOT mean # G- R$ n+ c( {6 o( H T& j
"there is evident that A does not hold".
$ J5 p* x' t4 R# lIn fact, A could hold.
/ m: x1 Y1 @7 a& }/ z K) uIt's a matter like observability vs objective existence.4 b4 l+ X9 P( }6 g# t9 P! K" ~
So what you say doesn't constitute a refutation.7 l9 {/ h( e$ U* J
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It's mainly by argumentation. See for example:3 V: ~$ P. }( Q7 k/ H
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"Does the death penalty cost less than life in prison without parole?"
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http://deathpenalty.procon.org/view.answers.php?questionID=0010007 J5 } T9 g# |* `, k% f' ~
& @8 q4 z" z/ Q8 i: |/ MRemember, things are more complicated than what you think.3 d- b: t0 N4 c; V( U _
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