In a passage of Ammonius[3] we are told that Eudemus, Phaenias, and Theophrastus wrote, in emulation of their master, Categories and De Interpretatione and Analytics.
[6] The fragments quoted by Athenaeus are sufficient to give us some notion of the contents of the work and the style of the writer.
He seems to have paid special attention to plants used in gardens and otherwise closely connected with humans; and, in his style, we trace the exactness and the care about definitions which characterize the Peripatetic school.
[9] Another was entitled On Killing Tyrants for Revenge, in which he appears to have discussed further the question touched upon by Aristotle in his Politics.
His treatise and others, now lost, were key sources for compilers in Imperial times, such as Athenaeus and pseudo-Plutarch, and ultimately supplied much material for the late lexicons.
"Such compilations reflect the Greek cosmopolitanism, with its more generalized forms of language, literature, art and music, which was the hallmark of the Hellenistic age.