# Template:Mathematical logic

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Template documentation

**Initial visibility:** currently defaults to **autocollapse**

To set this template's initial visibility, the `|state=`

parameter may be used:

`|state=collapsed`

: {{Mathematical logic|state=collapsed}} to show the template collapsed, i.e., hidden apart from its title bar`|state=expanded`

: {{Mathematical logic|state=expanded}} to show the template expanded, i.e., fully visible`|state=autocollapse`

: {{Mathematical logic|state=autocollapse}}- shows the template collapsed to the title bar if there is a {{navbar}}, a {{sidebar}}, or some other table on the page with the collapsible attribute
- shows the template in its expanded state if there are no other collapsible items on the page

If the `|state=`

parameter in the template on this page is not set, the template's initial visibility is taken from the `|default=`

parameter in the *Collapsible option* template. For the template on this page, that currently evaluates to ** autocollapse**.

## See also

- {{Set theory}}

Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages. Subpages of this template. |