Assertion: metric system's base unit | /r/HasProperty | adopted
Facets:
value: originally
type: MANNER
Source sentences:
text: The metric system base units were originally adopted because they represented fundamental orthogonal dimensions of measurement corresponding to how we perceive nature: a spatial dimension, a time dimension, one for inertia, and later, a more subtle one for the dimension of an "invisible substance" known as electricity or more generally, electromagnetism.