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# Bouncing Point

Best Answer Anza Power, 03 August 2013 - 07:34 PM

I have a proof:

Spoiler for
Go to the full post

12 replies to this topic

### #11 gavinksong

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Posted 03 August 2013 - 03:40 PM

It would be nice to see a proof that doesn't use the concept of countability

That would be very impressive.

The explanation I have in mind does, but bonanova didn't really mention it in his post, so perhaps we will see one.

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### #12 Anza Power

Anza Power

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Posted 03 August 2013 - 07:34 PM   Best Answer

I have a proof:

Spoiler for

Edited by Anza Power, 03 August 2013 - 07:36 PM.

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### #13 gavinksong

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Posted 04 August 2013 - 04:44 AM

I have a proof:

Spoiler for

That is exactly right.

You didn't need make the assumption that it was a square or use coordinates, but using those formalities is probably good practice...

Good job!

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