# New category permission - "cannot see"/"exclude"

**URL:** <https://meta.discourse.org/t/new-category-permission-cannot-see-exclude/50044>\
**Category:** Feature\
**Created:** [12.Сентябрь.2016 22:46:14 UTC](https://meta.discourse.org/t/new-category-permission-cannot-see-exclude/50044 "2016-09-12T22:46:14Z")\
**Posts on this page:** 1\
**Showing post:** 28

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**Author:** ![schungx](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/schungx/32/70989_2.png) [@schungx](https://meta.discourse.org/u/schungx)\
**Post date:** [20.Октябрь.2017 13:02:13 UTC](https://meta.discourse.org/t/new-category-permission-cannot-see-exclude/50044/28 "2017-10-20T13:02:13Z")

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Having Add+Subtract moves the system into a whole range of potential conflicts requiring resolution. At the least, the _order_ of putting in permissions will now be significant, and so there will necessitate a _reorder_ function to move things up/down.

Otherwise, there is no way to resolve potential conflicts when a person:

- is in more than one group
- one group is permitted access
- another group is denied access

EDIT: Or you can say Add always trumps Subtract, or vice versa. Nevertheless, it makes things very hard to understand.

Although I can understand the pain you’re going through in order to request this… I have tons and tons of groups and each category’s permissions list is like 15 long, just to do what you’re looking to do – that is, to exclude a particular group from access while opening to most others.

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