Recent content by mikepr@mac.co

  1. M

    Undergrad Infinity subtracted from infinity is undefined.

    to continue with your thread jack, that'd be cantor. some quick links from google: http://scidiv.bcc.ctc.edu/Math/diag.html http://people.bath.ac.uk/jp253/Project.html http://www.sciam.com/article.cfm?id=strange-but-true-infinity-comes-in-different-sizes...
  2. M

    Undergrad Infinity subtracted from infinity is undefined.

    well i thought the whole x + 1 and (x + 1) was self explanitory, but if you'd like i'll add in (x + 1) = w = x + 1. i thought my way was a bit easier to follow for the original poster since people tend to get confused when you go tossing new variables around. or maybe (x + 1) = x'. whatever...
  3. M

    Undergrad Infinity subtracted from infinity is undefined.

    n is still n n + infinity does not just give you infinity back again, it gives you a different (ever so slightly larger) infinity. if you are to subtract the two infinities, you'd still get back n. n will always be n. you defined it, it's not going to change. not all infinities are the...