> If you take a horzontal 2d slice of a human being near the center of the
> torso, you will get 3 objects: 2 almost circular objects for the arms
> and one ovalish shape for the torso. So if a 2d world could coincide
> with a 3d world, a 2d being on that plane would see 3 objects and could
> not imagine that it could be one object.
>
> If we step it all up one dimension, you could have a 3-dimensional slice
> of 4-dimensional object that would seem to be more than one 3d object to
> us 3-dimensional beings.
>
> Is this theoretically correct? Or am I missing something?

Sounds correct to me - if you haven't already read Flatland then I 
recommend it:

http://en.wikipedia.org/wiki/Flatland

Post a reply to this message