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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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7 {- [, I, f- z$ I1 Sopen your mouth and wash it with detergent# D, ]4 Y1 p1 w5 ~
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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:
- w/ k6 p# Y2 ^+ e( Q) F4 y3 |"there is no evidence that A holds" , R3 b$ q; r: ] l# K) W& }
does NOT mean , o$ B3 u2 U8 e" u
"there is evident that A does not hold".
. u; K6 D+ D: A5 F$ ?8 z4 z; tIn fact, A could hold.
9 i6 q7 t: r) x, G' U* jIt's a matter like observability vs objective existence.
* x, _1 [4 D6 U9 Q" F4 MSo what you say doesn't constitute a refutation.3 K1 j" _* x A
1 T( s! i+ v8 rIt's mainly by argumentation. See for example:8 l7 M2 j! S9 [8 Z, {
( ` p8 F: b ?7 i( h; Z"Does the death penalty cost less than life in prison without parole?"0 m/ Y+ o ^' M8 m" N5 S
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http://deathpenalty.procon.org/view.answers.php?questionID=001000, ~$ l, H% c, t9 G: v- t9 I
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Remember, things are more complicated than what you think.( t. L Z6 M$ ]1 A# c- ^
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