The hyperbolic case is similar , with the area of a disk of the intrinsic radius '' R '' in the ( constant curvature formula 83 ) hyperbolic plane given by
The hyperbolic case is similar , with the area of a disk of hyperbolic radius '' R '' in the ( intrinsic curvature formula _ 83 ) constant plane given by

Are these two sentences paraphrases of each other?
no

Chinese family planning policy allows minorities , including Muslims , to have up to two children in urban areas , and three to four children in rural areas .
The Chinese family planning policy allows minorities , including Muslims , to have up to two children in urban areas and three to four children in rural areas .

Are these two sentences paraphrases of each other?
yes

Born in Gosforth , Northumberland , as a boy he moved south to the Wiseton Estate , near Retford , Nottinghamshire when his father found work there .
Born in Gosforth , Northumberland , he moved to the south as a boy to Wiseton Estate , near Retford , Nottinghamshire , when his father found jobs there .

Are these two sentences paraphrases of each other?
yes

She was born on January 30 , 1912 as the Jewish daughter of banker Maurice Wertheim and his first wife , Alma Morgenthau .
She was born on 30 January 1912 as the first daughter of banker Maurice Wertheim and his Jewish wife Alma Morgenthau .

Are these two sentences paraphrases of each other?
no