Assertion: latin alphabet's letter | /r/ObjectUse | used for greek upsilon
Facets:
value: sometimes
type: TEMPORAL
value: in inscriptions
type: LOCATION
Source sentences:
text: The Roman Emperor Claudius proposed introducing a new letter into the Latin alphabet to transcribe the so-called sonus medius (a short vowel before labial consonants), but in inscriptions, the new letter was sometimes used for Greek upsilon instead.