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Math Forum » Discussions » sci.math.* » sci.math

Topic: Formal proof of the ambiguity of 0^0
Replies: 6   Last Post: Nov 17, 2013 2:04 PM

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LudovicoVan

Posts: 3,211
From: London
Registered: 2/8/08
Re: Formal proof of the ambiguity of 0^0
Posted: Nov 17, 2013 12:14 PM
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"Dan Christensen" <Dan_Christensen@sympatico.ca> wrote in message
news:05b0baba-558f-4c19-80f2-f627dbd1b441@googlegroups.com...
> On Sunday, November 17, 2013 10:19:33 AM UTC-5, Julio Di Egidio wrote:
<snip>
>> We were simply explained that 0^0 = 0/0, because x^0 = x/x when extending
>> the notion of repeated multiplication to non-positive exponents.
>
> I can see the reasoning behind it, but I don't like the idea setting two
> undefined expressions equal to one another.

Nobody is setting two undefined expressions *equal* to one another, I was
speaking informally. Regardless, you quote elementary algebra books, so not
addressing objections.

Julio

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