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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 . s& V" u$ e- b7 Z8 ?- F
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open your mouth and wash it with detergent5 N1 c, W7 O u6 ]- V# o# d3 w7 [
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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.: T) R I3 m+ z; W# N; l- l" d
6 v$ u m; s+ l3 M5 eAnd remember:
: z" P- i7 [3 @6 c"there is no evidence that A holds"
; d' d V" ^' T7 [6 I5 ~/ Vdoes NOT mean
$ M* k$ X5 ?6 ?# u# C- t"there is evident that A does not hold".
/ T" N# p) L9 G8 Q. ~, @, MIn fact, A could hold.
R' K6 s& j1 D; _: z5 IIt's a matter like observability vs objective existence./ l/ l# R9 G( ^1 [1 W& E
So what you say doesn't constitute a refutation.
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w- P+ _5 d! x' rIt's mainly by argumentation. See for example:
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"Does the death penalty cost less than life in prison without parole?"
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1 e. j g: j! ^& H6 q# Nhttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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Remember, things are more complicated than what you think.5 a2 o+ |0 ~* _
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