Assertion: derived unit | /r/HasProperty | provided with special names
Facets:
Source sentences:
text: The system allows for an unlimited number of additional units, called derived units, which can always be represented as products of powers of the base units.[Note 1] Twenty-two derived units have been provided with special names and symbols.[Note 2]
text: The base and coherent derived units of the SI together form a coherent system of units called the set of coherent SI units.[Note 17] Twenty-two coherent derived units have been provided with special names and symbols.[Note 18]