Assertion: proportion | /r/HasProperty | written latter form
Facets:
value: as a∶b = c∶d
type: OTHER
value: as a∶b∷c∶d.
type: OTHER
Source sentences:
text: A statement expressing the equality of two ratios A∶B and C∶D is called a proportion, written as A∶B = C∶D or A∶B∷C∶D. This latter form, when spoken or written in the English language, is often expressed as