A semilinear transformation is a transformation which is linear '' up to a twist '' , meaning '' up to a field automorphism under scalar multiplication '' .
A semilinear transformation is a transformation that is '' linear '' up to a twist '' , which means '' to a field automorphism under scalar multiplication '' .

Are these two sentences paraphrases of each other?
yes

Directors have fiduciary duties in Australia under general law .
Directors have general duties under Fiduciary law in Australia . They are :

Are these two sentences paraphrases of each other?
no

The Berhala Island is a small forested island in the Sandakan Bay in Sandakan , Sabah , Malaysia .
The Berhala Island is a small forested island situated in Sandakan Bay in Sandakan , Sabah , Malaysia .

Are these two sentences paraphrases of each other?
yes

Cardinal Mazarin married Anne Marie Martinozzi , daughter of Girolamo Martinozzi and Laura Margherita Mazzarini , the eldest sister of Armand , and had the following children :
Cardinal Mazarin married Anne Marie Martinozzi , the daughter of Girolamo Martinozzi and Laura Margherita Mazzarini , elder sister of Armand . They had the following children :

Are these two sentences paraphrases of each other?
yes