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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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open your mouth and wash it with detergent: c) Q% b6 C, B1 ^
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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. m. H" b# B0 {0 M) o
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And remember: ' d- _- B% k) F2 w
"there is no evidence that A holds"
; u! F. _/ Q3 \, f; V {does NOT mean 1 I: w; T6 o. _
"there is evident that A does not hold".
) y$ y* w1 ~& h: m* \In fact, A could hold.
, E+ [( Q X6 _It's a matter like observability vs objective existence.: F, i/ k- u J% o# _/ ?
So what you say doesn't constitute a refutation.' j7 a6 _) F8 z8 p, N1 f
! @' g3 R1 f! ?5 G/ {It's mainly by argumentation. See for example:/ c$ P# o1 A& b! z8 P$ }
9 W3 b2 K: {8 u, E' f9 z"Does the death penalty cost less than life in prison without parole?") ]; E- N& p) l( ]
in
- i# y9 u" y$ Ohttp://deathpenalty.procon.org/view.answers.php?questionID=0010002 x9 W& _ }0 C! i7 A
; \ r) B0 f, Z$ Y- MRemember, things are more complicated than what you think.. @9 Z( l+ L$ \! x; W$ n2 Z
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