# Flat Project Validity

A flat project is valid if it meets the following criteria:

1. The name of the project does not to contain invalid characters.
2. All DES must pass consistency check described in DES Tools.
3. If two different DES in the project contain an event with the same name, then the events must be identical in all their properties.
4. Every event in the event set of the project is used in at least one DES component belonging to the project.
5. The supervisor must contain at least one DES component.
6. The plant must contain at least one DES component.

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