\FinvThe symbol \Finv is used to denote the inverse of a function, typically in mathematical contexts where functions and their inverses are discussed. It is a part of the 'Other Letters' category in LaTeX, which includes various symbols not covered by standard alphabets or operators.
Expressing that the inverse function of f at y equals x.
f \Finv (y) = xIndicating that the inverse of function g at b is a.
g \Finv (b) = aShowing that the inverse of function h at z results in w.
h \Finv (z) = w