> For the complete documentation index, see [llms.txt](https://200ok.gitbook.io/200ok-documents/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical.md).

# Logical

- [and](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/and.md)
- [blankValue](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/blankvalue.md)
- [case](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/case.md)
- [if](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/if.md)
- [isBlank](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/isblank.md)
- [isNull](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/isnull.md)
- [isNumber](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/isnumber.md)
- [not](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/not.md)
- [nullValue](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/nullvalue.md)
- [or](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/logical/or.md)