 鲜花( 5)  鸡蛋( 6)
|
本帖最后由 bigsnail 于 2012-6-7 11:17 编辑 w% U8 ~( k( E1 ]* o
" h" F- [; H9 dopen your mouth and wash it with detergent& _. H5 K/ j9 I0 n$ J$ G: [
3 g' A9 T% ?$ ^0 l2 p
sure there is no rigorous statistical evidence because there is no way to manipulate in the experiment so as to fully justify the causality.6 U' j% K. m2 w9 ~. i
# _( j: R) }* Q7 iAnd remember: 7 @! d/ y+ v0 j3 v, i2 P( q: x
"there is no evidence that A holds" ) C3 f1 X! C: s, |$ I1 ]% ~
does NOT mean ' {) G1 J* Q2 ^5 @, L9 ^
"there is evident that A does not hold". 7 \7 Q' o' W# J& {% D: v- p5 Q
In fact, A could hold. / {& K) T% |7 s4 q2 P# @ \
It's a matter like observability vs objective existence.2 N7 J/ i2 Z, \- Q7 I4 V. D
So what you say doesn't constitute a refutation.; P# @4 Q1 k% h! g r! v
" e2 K: t; ~# _& r7 A
It's mainly by argumentation. See for example:9 n0 Y2 ~+ V! e2 X# i
8 p' Z7 T8 k! B% X% Y- p# f8 p7 n"Does the death penalty cost less than life in prison without parole?"5 }4 \: L( X, B- R
in
' c5 v a2 P' R0 c& H; I: `6 D fhttp://deathpenalty.procon.org/view.answers.php?questionID=001000 X2 }$ T# |' w8 r, N
. L0 C( h& u+ |; j8 |, n) O
Remember, things are more complicated than what you think.5 x) ^4 `2 Y1 j* i/ F. p+ \0 l n9 ^
|
|