Found:
Pro
SYNTAX: pronoun without phonetic properties. An empty category, specified as [+pronominal,-anaphoric] by the binding theory. Pro can be a subject in pro-drop languages, such as Italian. EXAMPLE: pro in (i)b (which only exists in underlying structure) is interpreted as the subject.
(i) a Piero conosce bene Maria
Piero knows Maria well
b pro Conosce bene Maria
He knows Maria well
Pro must be licensed. A pro subject is licensed by (morphological) agreement features. It is claimed that pro may occur in object positions in Italian.
| LIT. | Chomsky, N. (1982) Chomsky, N. (1981) Rizzi, L. (1986) |