Cornelis van Cleve painted predominantly mythological paintings and to a lesser extent religious scenes and portraits .
Cornelis van Cleve painted mainly religious paintings and , to a lesser extent , mythological scenes and portraits .

Are these two sentences paraphrases of each other?
no

They are used in applications as contrast agents for fluorescent imaging , as particles for flow tracking , or as biological carriers .
They are used in applications as a contrast medium for biological imaging , as particles for flow tracking or as fluorescent carriers .

Are these two sentences paraphrases of each other?
no

Similarly , an agent with real valuation formula _ 26 weakly prefers to declare formula _ 26 than to lie and declare formula _ 24 ; hence :
Similarly , with the real evaluation formula 26 , an agent prefers to lie weakly and declare Formula 26 than to declare Formula 24 ;

Are these two sentences paraphrases of each other?
no

Katherine goes to talk to Loren .
Katherine goes to Loren to talk .

Are these two sentences paraphrases of each other?
yes