Alicorn comments on The Lifespan Dilemma - Less Wrong

39 Post author: Eliezer_Yudkowsky 10 September 2009 06:45PM

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Comment author: saturn 11 September 2009 08:30:52AM *  25 points [-]

Imagine A is the set of all positive integers and B is the set of all positive even integers. You would say B is smaller than A. Now multiply every number in A by two. Did you just make A become smaller without removing any elements from it?

Comment author: Alicorn 11 September 2009 12:32:04PM 8 points [-]

...Okay, that's weird! Clearly that shouldn't work. Thanks for the counterexample.