In this book I am reading, we consider some element $x = (x_n) \in Z_p$ and if $y_n \in Z$ such that $y_n \equiv x_n \pmod{p^n}$ then $\lim \textbf{.} y_n = x.$ What is the does limit mean in this context and what is the dot?
2026-04-14 23:52:05.1776210725
What is the dot limit notation?
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