The symbol ; given special meanings in several mathematics contexts, the most common of which is the covariant derivative.
Semicolon
See also
Covariant DerivativeExplore with Wolfram|Alpha
References
Bringhurst, R. The Elements of Typographic Style, 2nd ed. Point Roberts, WA: Hartley and Marks, p. 284, 1997.Grossman, J. (Managing Ed.). "Semicolon." §5.89-5.93 in The Chicago Manual of Style, 14th ed. Chicago, IL: University of Chicago Press, pp. 181-182, 1993.Referenced on Wolfram|Alpha
SemicolonCite this as:
Weisstein, Eric W. "Semicolon." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Semicolon.html