Assertion: sign language | /r/Synonym | old french sign language
Facets:
Source sentences:
text: As far back as the 1700's, in France, there was a type of sign language called Old French Sign Language (OFSL), which could be used to talk about politics, family and so forth
text: While the Deaf community already used a sign language (now known as Old French Sign Language), Épée thought it must be primitive, and set about designing a complete visual-gestural system to represent the concepts of religion and law that he wanted to impart to his pupils.