Enum: LogicalOperator

URI: [odm:enum/LogicalOperator](https://cdisc.org/odm2/enum/LogicalOperator) ## Permissible Values | Value | Meaning | Description | | --- | --- | --- | | EXPRESSION | None | Evaluate condition using expression. Default if expression is present. | | AND | None | All child conditions must be true (all_of). Default if expression is not present. | | OR | None | At least one child condition must be true (any_of). | | NOT | None | Negates the child condition(s) (not_any_of). | ## Slots | Name | Description | | --- | --- | | [operator](../slots/operator.md) | Logical operator for combining child conditions or range checks. Defaults to ALL if not specified. | ## Identifier and Mapping Information ### Schema Source * from schema: https://cdisc.org/dds ## LinkML Source

name: LogicalOperator
description: Logical operators for combining conditions in Boolean expressions. For
  complex expressions, use the EXPRESSION value.
from_schema: https://cdisc.org/dds
rank: 1000
permissible_values:
  EXPRESSION:
    text: EXPRESSION
    description: Evaluate condition using expression. Default if expression is present.
  AND:
    text: AND
    description: All child conditions must be true (all_of). Default if expression
      is not present.
  OR:
    text: OR
    description: At least one child condition must be true (any_of).
  NOT:
    text: NOT
    description: Negates the child condition(s) (not_any_of).