[tex]f(\uparrow x)[/tex] is ugly, but [tex]f(\left\uparrow x\right.)[/tex] is nice! The solution: prefix \uparrow with \mathopen.
[tex]f(\uparrow x)[/tex] is ugly, but [tex]f(\left\uparrow x\right.)[/tex] is nice! The solution: prefix \uparrow with \mathopen.