Re: Natural is not positive

[Dippo]

It makes me wonder who or what is correct. Because i can understand in computer 
math that 0 is positive. But if i must believe numberphile, 0 is neither 
positive or negative. See : 
[https://youtu.be/8t1TC-5OLdM?t=4m20s](https://youtu.be/8t1TC-5OLdM?t=4m20s)