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Topic: Word Problem
Replies: 2   Last Post: Nov 26, 2012 9:41 PM

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William Elliot

Posts: 1,668
Registered: 1/8/12
Re: Word Problem
Posted: Nov 26, 2012 9:41 PM
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On Mon, 26 Nov 2012, Frederick Williams wrote:
> William Elliot wrote:
> >
> > If into a field with five cows, you add
> > a bull, how much bull will you get?

>
> The word problem for groups is (recursively) unsolvable. I've never
> heard of a word problem for fields. I do recall a school physics
> teacher asking "What do you find in magnetic fields?" I do not know
> what answer he was expecting, but the answer he got was "Magnetic
> cows." Oh, how we laughed.
>

For practical purposes, such as directing migratory birds across
the field, it's naturally magnetized by Earth's magnetic field.

Does this mean the bull is magnetized?





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