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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 8 ~9 L( j$ i/ y
( \1 ~0 \+ T4 b. @7 F6 V; zopen 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.
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And remember:
1 X$ H5 Q5 w* v2 Y"there is no evidence that A holds"
4 H/ I7 r" y0 `7 Sdoes NOT mean 0 v8 B9 {. B$ @+ e, k* c
"there is evident that A does not hold".
3 W7 C2 p# @/ ^/ V' E; SIn fact, A could hold.
# b+ t) X# z) k5 \9 K( `/ _It's a matter like observability vs objective existence.
4 d8 N4 l+ `" n @, d, bSo what you say doesn't constitute a refutation.' n6 H& ?7 a% }
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It's mainly by argumentation. See for example:' Y. X. R* o5 d: ~- I" E$ O
) z) R1 c3 c+ {8 D$ ?/ @ S. r0 a1 j"Does the death penalty cost less than life in prison without parole?") l7 ~, P5 m' I' k
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1 F; P* z6 |# shttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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0 [7 K; k, Z+ }1 |$ oRemember, things are more complicated than what you think.5 ?) i* _/ t b6 d0 ]/ U1 S
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