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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 1 h6 Y+ V+ ~4 {" l% }
* x; g2 ]' ?! s; h8 z9 g' Q' Gopen your mouth and wash it with detergent/ S1 I) _9 h# M0 x* N% F
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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:
# X+ @; O" }; W9 x& b+ G+ C"there is no evidence that A holds"
# Z+ h, u$ ?' m, kdoes NOT mean
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In fact, A could hold.
. M+ i4 v% d. v7 R- w2 cIt's a matter like observability vs objective existence.0 h+ X0 l$ I0 T# M
So what you say doesn't constitute a refutation.
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It'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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' T( R1 g1 `2 mhttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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8 N7 D; L7 E4 WRemember, things are more complicated than what you think.; V# N* l" p5 h0 i, X2 W
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