There is a standard technology ( see for example ) for calculating the change of variables to formal coordinates , at a point as a normal Taylor series expansion .
There is a standard technique ( see for example ) for calculating the change of variables to normal coordinates , at a point as a formal Taylor series expansion .

Are these two sentences paraphrases of each other?
no

Conversely , there were at least four members of the opposition who cross-voted in favour of the government proposal . These 4 were
Conversely , there were at least four members of the opposition who were crossing in favour of the government proposal .

Are these two sentences paraphrases of each other?
yes

Leelanau County is a charter municipality of Elmwood Charter Township in the U.S. state of Michigan .
Elmwood Charter Township is a charter township of Leelanau County in the state of Michigan .

Are these two sentences paraphrases of each other?
no

At the age of 14 Dunkerton withdrew from Herefordshire to London .
Dunkerton moved to London from Herefordshire at the age of 14 .

Are these two sentences paraphrases of each other?
yes