Complex sentence: The order of the works is not chronological (which is now hard to determine) but was deliberately chosen by Theophrastus to constitute a well-structured system; indeed some parts of them seem to be a scheme of a lecture on logic.
Split into simpler sentences: The order of the works is not chronological (which is now hard to determine) but was deliberately chosen by Theophrastus to constitute a well-structured system. Indeed some parts of them seem to be a scheme of a lecture on logic.