# Logical Model

- [High Level Logical Model of SNOMED CT](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.1-high-level-logical-model-of-snomed-ct.md)
- [Representation of the Logical Model](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.2-representation-of-the-logical-model.md)
- [Concept Definitions](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions.md)
- [Stated and Inferred Concept Definitions](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.1-stated-and-inferred-concept-definitions.md)
- [Necessary Conditions and Sufficient Definitions](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.2-necessary-conditions-and-sufficient-definitions.md)
- [Additional Logic Features](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.3-additional-logic-features.md)
- [Representing Concept Definitions](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.4-representing-concept-definitions.md)
- [Concept Definitions Represented as Relationships](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.4-representing-concept-definitions/2.3.4.1-concept-definitions-represented-as-relationships.md)
- [Concept Definitions Represented in OWL](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/logical-model/2.3-concept-definitions/2.3.4-representing-concept-definitions/2.3.4.2-concept-definitions-represented-in-owl.md)


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