1‘the central thesis of his lecture’
theory, contention, argument, line of argument, proposal, proposition, premise, assumption, presumption, hypothesis, postulation, surmise, supposition
belief, idea, notion, opinion, view
theme, subject, topic, text, matter
2‘a doctoral thesis’
dissertation, essay, paper, treatise, disquisition, composition, monograph, study, piece of writing
North American theme
We take a look at several popular, though confusing, punctuation marks.