name for a mutually inclusive relationship

[Alan Gauld]

On 24/02/2021 16:12, Ethan Furman wrote:
> I'm looking for a name for a group of options that, when one is specified, all of them must be specified.
> 
> For contrast,
> 
> - radio buttons: a group of options where only one can be specified (mutually exclusive)
> - check boxes:   a group of options that are independent of each other (any number of
>                   them may be specified)
> 
> - ???: a group of options where, if one is specified, all must be specified (mutually
>         inclusive)

Given that radio buttons and check boxes are all effectively
using boolean states, doesn't this mean none of the group
or all of the group?

In which case it's a single boolean value - a check box that
controls all options.

I suspect I'm missing something...

-- 
Alan G
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