# Claims: saying that a person with a model does better

What a claim about a person, a model and a machine must hold before it is believed: the combination set against each
part alone. The evidence is in [family-name](../../evidence/family-name/README.md).

| Principle | Claim |
|---|---|
| [Compare with each part alone](compare-with-each-part-alone.md) | a claim that the combination does better sets it against the person alone and the model alone |