References
- Zeller , Eduard . 1888 . Plato and the Older Academy Edited by: Alleyne , S. F. and Goodwin , A. 148 London
- Bakewell , Charles M. 1928 . Plato's Republic , : xxii – xxiv .
- Grote , George . 1888 . A History of Greece Vol. VII , 109 – 112 . London
- Shorey , Paul . 1933 . What Plato Said 19 Chicago
- Zeller , Eduard . 1931 . Outlines of the History of Greek Philosophy Edited by: Palmer , L. R. 121 – 126 .
- Lutolawski , Wincenty . 1905 . The Origin of Plato's Logic 194 – 218 .
- Taylor , A. E. 1927 . Plato 23 – 173 .
- Laertius , Diogenes . 1925 . Lives of Eminent Philosophers Edited by: Hicks , R. D. Vol. IX , 24 – 26 . London
- Zeller , Eduard . Plato and the Older Academy 150 op. cit.,
- Aristotle . 1908 . “ Metaphysics, ” . In The Works of Aristotle Edited by: Ross , W. D. Vol. VIII , 1078b Oxford
- Grote , George . 1865 . Plato Vol. I , 240 London
- Xenophon . 1923 . Memorabilia Edited by: Marchant , E. C. Vol. IV , 5 London
- Aristotle . 1853 . Topics Edited by: Owen , O. F. Vol. I , 11 London 2, and VIII,
- McBurney , James H. and Hance , Kenneth G. 1939 . The Principles and Methods of Discussion 15 – 18 .
- Jowett , B. , ed. Meno 75
- Cooper , Lane . 1938 . Plato London
- Cooper , Lane . 1941 . Plato Ithaca
- Jowett , B. , ed. 1892 . Plato , third edition Oxford
- Xenophon . Memorabilia Vol. IV , 5
- Aristotle . Metaphysics 978b 1078b 1086b
- Xenophon . Memorabilia Vol. IV , 6
- Dewey , John . 1910 . How We Think 6 – 9 .
- Bacon , Francis . 1875 . Novum Organum, included in The Philosophical Works of Francis Bacon Edited by: Spedding , James , Ellis , Robert L. and Heath , Douglas D. Vol. IV , 97 – 98 . London