4.9 AMS other

$\hbar$, $\hslash$, $\square $, $\circledS$, $\angle$,
$\measuredangle$, $\nexists$, $\mho$, $\Finv$, $\backprime$,
$\varnothing$, $ \blacksquare$, $\sphericalangle$, $\complement$

$\hbar $, $\hslash $, $\square $, $\circledS $, $\angle $, $\measuredangle $, $\nexists $, $\mho $, $\Finv $, $\backprime $, $\varnothing $, $ \blacksquare $, $\sphericalangle $, $\complement $