Question: Marmontel contrasted "the opinion of men of letters" with what?
Sentence: Enlightenment thinkers frequently contrasted their conception of the "public" with that of the people: Condorcet contrasted "opinion" with populace, Marmontel "the opinion of men of letters" with "the opinion of the multitude," and d'Alembert the "truly enlightened public" with "the blind and noisy multitude".
Answer in sentence: yes