Question

Is 0 part ot the real number universe?

Answer 1

Yes

Answer 2

why not?

Answer 3

0 is the real number with decimal expansion 0.000.....

Answer 4

So if 0 is a real number then for all x there exists a y such that x+y=0
is this true?

Answer 5

Yes, the real numbers are closed under additive inverses.

Answer 6

so then x=y ok

Answer 7

No, x=-y

Answer 8

but what abt 0?

Answer 9

0=-0

Answer 10

ohhhh okkkkk thanks nbouscal sorry i was just afk