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An example of why dividing by zero can't make sense.

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  • JonF
    replied
    Oh, she was a pip. Much like Dave Hawkins in that she was astoundingly ignorant and bullheaded but somehow incited people to post great refutuations and explanations.

    We did finally convince her that at least in theory isochron dating works the way it is explained at talkorigins.org. But she was an old-earth-young-life creationist.

    Leave a comment:


  • Leonhard
    replied
    Originally posted by JonF View Post
    Back in the day on talk.origins Zoe Althrop insisted for literally years that X/0 = X for all X because it wasn't taking anything away from X.

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  • JonF
    replied
    Back in the day on talk.origins Zoe Althrop insisted for literally years that X/0 = X for all X because it wasn't taking anything away from X.

    Leave a comment:


  • rwatts
    replied
    Originally posted by Leonhard View Post
    Here's a minor puzzle: for a and b belonging to a field of numbers with well defined multiplication and division, why is the following wrong and what does it have to do with the thread title?




    Some of you might recognize it from High School, but its still a good lesson.
    Like phank said, in that step 4.

    If you divide both sides by (a-b) you get a+b = b.

    It seems as if you can do divisions, right up to that point, then the operation can become a nonsense.
    Last edited by rwatts; 02-08-2015, 10:04 PM.

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  • Boxing Pythagoras
    replied
    This one's got a lovely bit of obfuscation to it. I dig it.

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  • phank
    replied
    Looks to me like, in the 4th step, you divided through by zero (that is, if a = b, a - b=0. You divided both sides by (a - b). Can't do that.)

    Leave a comment:


  • Leonhard
    started a topic An example of why dividing by zero can't make sense.

    An example of why dividing by zero can't make sense.

    Here's a minor puzzle: for a and b belonging to a field of numbers with well defined multiplication and division, why is the following wrong and what does it have to do with the thread title?




    Some of you might recognize it from High School, but its still a good lesson.

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