# Logical operations

Discover the logical operations available in CQL.

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Use the summary below to quickly jump to a specific topic:

- [Overview](/reference/cql/expressions/operations/logical/overview): Learn general aspects of logical operations.
- [Not operation](/reference/cql/expressions/operations/logical/not): Learn how to negate a boolean value.
- [And operation](/reference/cql/expressions/operations/logical/and): Learn how to check if all conditions are true.
- [Or operation](/reference/cql/expressions/operations/logical/or): Learn how to check if at least one condition is true.