Is it right to use double possessives like
- a good idea of Tom's
Are they correct? And when do we use them?
Is it right to use double possessives like
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.