Assertion: symbol | /r/HasProperty | distinguished
Facets:
value: easily
type: MANNER
value: usually
type: DEGREE
value: by adding a symbol
type: MANNER
Source sentences:
text: Symbols for indices are usually distinguished by adding a symbol in front of the name, such as a caret (^) or a dot.
text: It doesn’t have to be large, but the symbol should be easily distinguishable.