Fragmenta varia
Theophrastus
Theophrastus. Theophrasti Eresii Opera, Quae Supersunt, Omnia. Wimmer, Friedrich, editor. Paris: A.F. Didot, 1866.
Fr. 71
Ὁ Θ. οὕτως ὁρίζεται τὸ ἀξίωμα "ἀξίωμά ἐστι δόξα τις, ἡ μὲν ἐν τοῖς ὁμογενέσιν ἐὰν ἴσα ἀπὸ ἴσων, ἡ δὲ ἁπλῶς ἐν ἅπασιν." (Themist. in Arist. Anal. post. f. 2.)