Complex sentence: Callimachus' system divided works into six genres and five sections of prose: rhetoric, law, epic, tragedy, comedy, lyric poetry, history, medicine, mathematics, natural science and miscellanies.
Split into simpler sentences: Callimachus' system divided works into six genres and five sections of prose. These were rhetoric, law, epic, tragedy, comedy, lyric poetry, history, medicine, mathematics, natural science and miscellanies.