Using of double possessive [closed]
Is it right to use double possessives like
- a good idea of Tom's
Are they correct? And when do we use them?
Both genitives can be used and it is called double genitive. Double genitive has a typical meaning of expressing one of or a particluar. For example a painting of Van Gogh's refers to only one, emphasizing that one from all (many) paintiings. It has a so called superemphatic meaning.