# 比較と論理

### このセクション内

* [IfThen](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/ifthen-function)
* [IfThenElse](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/ifthenelse-function)
* [Choice](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/choice-function)
* [ChoiceValue](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/choicevalue-function)
* [Equal](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/equal-function)
* [Lesser](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/lesser-function)
* [LesserOrEqual](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/lesserorequal-function)
* [Greater](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/greater-function)
* [<=](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/greaterorequal-function)
* [And](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/and-function)
* [偽](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/false-function)
* [NotEqual](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/notequal-function)
* [Or](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/or-function)
* [Not](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/not-function)
* [HasValue](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/hasvalue-function)
* [IsPresent](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/ispresent-function)
* [IsNull](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/isnull-function)
* [真](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/true-function)
* [比較ファンクションと論理ファンクションの例](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2026-01/comparison-and-logical-functions-examples)