What is the difference between ring $\mathbb{Z}_n$ and congruence to modulo $n$.
Are they same thing or what are significant differences between them except we can use integers greater than $n$ for modulo operations. They look like the same.
What is the difference between ring $\mathbb{Z}_n$ and congruence to modulo $n$.
Are they same thing or what are significant differences between them except we can use integers greater than $n$ for modulo operations. They look like the same.