Assertion: sign language | /r/HasProperty | established formal connection
Facets:
value: to written language
type: TRANSITIVE-OBJECT
value: by defining a set of symbols
type: MANNER
Source sentences:
text: Even though both sign languages have established the formal connection to written language by defining a set of symbols for the fundamental units, the alphabet in English and the alphabetized pronunciation of Chinese word sounds, most of the sign language needed for daily communication are by pictures and by actions, coupled by facial expressions.