0/0 exists in the 0 ring

{0} is a ring under multiplication. 0 is the multiplicative identity and additive identity.

we have 0 x 0 = 0
so 0/0 = 0 and everythign works fine!

>>6
unity is an element, u, such that for all r in R,
ur = ru = r

let u = 0 in {0}
then for all r in {0},
0*r = r*0 = 0 = r


why not ;[[[[