Is there an icon set for displaying “All”, “Some”, and “None” states?
For example, an icon for “All categories”, one for “Some categories”, and one for “No categories”.
Answer
How about circles with either no fill, half filled, or fully filled to represent none, some, and all, respectively.
[ something along these lines … ]
Attribution
Source : Link , Question Author : Behrang , Answer Author : plainclothes