\begin{definition}[Definition:Leibniz Harmonic Triangle/Column]
Consider the Leibniz harmonic triangle:
{{:Definition:Leibniz Harmonic Triangle}}
Each of the vertical lines of numbers is known as the '''$m$th column''' of Leibniz harmonic triangle.
The leftmost '''column''', containing the reciprocals of the non-negative integers, is identified as the '''zeroth column''', or '''column $0$'''.
\end{definition}