He founded the Aquila Press in the 1930s to publish obscure but literary works , and he wrote or translated over 50 books .
He established the Aquila Press in the 1930s to publish obscure but literary works . He personally wrote or translated over 50 books .

Are these two sentences paraphrases of each other?
yes

The friendship between him and Duncan ended at a club meeting in 1951 , when the two disagreed at an annual meeting and Greaves reported that Duncan said
The friendship between him and Duncan ended in 1951 at a club meeting , when the two did not agree at an annual meeting , and Duncan reported that Greaves said :

Are these two sentences paraphrases of each other?
no

She was temporarily involved with the author Alexander Roda Roda , who also integrated the experience in his writing .
She was temporarily engaged with the author Alexander Roda Roda , who also integrated the experience in his writing .

Are these two sentences paraphrases of each other?
yes

Gastric atresia is the complete occlusion of the pylorus outlet of the stomach and is an extremely rare event .
Gastric atresia is the complete occlusion of the pyloric outlet of the stomach and is an extremely rare event .

Are these two sentences paraphrases of each other?
yes