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本帖最后由 bigsnail 于 2012-6-7 11:17 编辑
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7 @1 V" C6 B# Vopen 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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6 Y/ M3 P8 ~& i) n: pAnd remember: ) G$ o# o& R/ t1 h( `+ @
"there is no evidence that A holds"
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"there is evident that A does not hold". % d% w! e+ W3 B( S
In fact, A could hold.
& e8 A9 N2 W" EIt's a matter like observability vs objective existence.* l# w1 y$ |) q4 _. L
So what you say doesn't constitute a refutation./ F' k3 H6 K- c
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It's mainly by argumentation. See for example:" j ]( E; \7 A0 K7 o% N0 O
1 F: A/ A' k" F"Does the death penalty cost less than life in prison without parole?"
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( C7 E# I4 `. Whttp://deathpenalty.procon.org/view.answers.php?questionID=001000
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Remember, things are more complicated than what you think.
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