Final answer:
The belief that an individual component of a property adds to the property's overall value is true according to the theory of Coherence.
Step-by-step explanation:
The belief that an individual component of a property adds to the property's overall value is true. This belief is known as the theory of Coherence. According to this theory, reliable beliefs constitute an inter-related system, where each element entails every other. It suggests that attaching a value to things in which resources have been invested, even if it is greater than the actual value, contributes to the overall value of the property.