BIBLIOGRAPHY
For main developments in Greek thought, see J. I. Beare,
Greek Theories of Elementary Cognition (Oxford,
1906). See
also Diogenes Laertius, Lives of the
Philosophers, Loeb
Classical Library (London and New York,
1925), esp. VII,
52-53; R. Hackforth, Plato's
Phaedrus (Cambridge, 1952),
p. 86; Joseph Owens, The Doctrine of Being in the Aristote-
lian Metaphysics, 2nd ed. (Toronto,
1963); W. D. Ross,
Aristotle's Prior and Posterior Analytics (Oxford,
1949), p.
566.
For Alexander of Aphrodisias, see his De anima
(Berlin,
1887), pp. 107, 34. Boethius is found in In Isagogen Por-
phyrii Commenta,
Corpus Scriptorem Ecclesiasticorum Lati-
norum, Vol. XLVIII (Vienna, 1906), 135-69; also
Quomodo
substantiae in eo quod sint bonae sint
cum non sint substan-
tialia
bona (London, 1928), pp. 44-45; and in De
Trinitate
(London, 1928), Q5, a. 3.
The sources for medieval figures include: Abelard, Logica
ingredientibus, ed. B. Geyer, Beiträge zur Geschichte der
Philosophie des
Mittelalters, Band XXI (Münster in W.,
1921), Heft
L, 25; and P. Abelardi opera hactenus
inedita,
ed. V. Cousin (Paris, 1849; Vol. II, 1859), II,
733-45; Al-
Ghazali, Algazal's Metaphysics, ed. J. T. Muckle (Toronto,
1933), Part
II (IV, 5), pp. 174ff.; and Tahafut Al-Falasifah
(Destruction of the Philosophers), trans. S. A.
Kameli
(Lahore, 1958), pp. 218-20; Averroës, Tahafut, trans. S. van
der Bergh (London, 1954), pp. 345-55;
Avicenna, Psychol-
ogy, trans. F. Rahman (Oxford, 1952), p. 40, also De anima
(Venice, 1508), I, 1 and V, 5; Duns
Scotus, Quaestiones in
metaphysicorum
libros (Lyon, 1639), VII, q. 18, also Opus
oxoniense (Lyon, 1639), and Sentences (Lyon, 1639); John
of Salisbury, Metalogicon (Berkeley, 1955), II, Ch. 20; Mai-
monides, The Guide of the
Perplexed, trans. Shlomo Pines
(Chicago, 1963), Part I, Ch. 68, pp. 163-64; J. R.
O'Donnell,
ed., Nine Medieval Thinkers (Toronto,
1955), p. 191, is the
source for Richard of Campsall. For Saint Thomas Aquinas,
Summa contra gentiles, the standard Latin text
is edited
by Leonina Manvalis (Rome, 1946), and an English transla-
tion is that by Anton Pegis et
al. (Garden City, N.Y.,
1955-56); for Summa
theologica, the standard Latin text is
edited by M. 
E 
.
Marietti (Turin, 1952), and an English
version is Basic Writings of Saint Thomas Aquinas, ed. Anton
Pegis (New
York, 1945). See also Beatrice H. Zedler, ed.,
Averroës Destructio destructionum
(Milwaukee, 1961), pp.
18-31.
Since the Renaissance, principal sources include I. A.
Aaron, John Locke (Oxford, 1937), pp. 194-200; A. Arnauld,
La Logique, ou l'art de penser, 5th ed.
(Paris, 1683), Part
I, Ch. 5; René Descartes, Letter to P.
Mesland, 2 May 1644,
Principles of Philosophy, ed. Charles Adam and Paul
Tan-
nery, 12 vols. (Paris, 1897-1913;
1964), I, 63 and VIII, 31.
See also Replies to First
Objections, ed. Charles Adam and
Paul Tannery (Paris, 1964),
VII, 120, and Quartae objec-
tiones, in the Haldane and Ross
translation (Cambridge,
1912), II, 82; John Locke, Essay Concerning Human Under-
standing (London, 1690), Book III, Ch. 3, para. 6. I.
A;
Immanuel Kant, Werke, ed. E . Cassirer, 11
vols. (Berlin,
1912-22), VII, 400-01; idem, Kritik
der reinen Vernunft
(Leipzig, 1924), A, 1781, B, 1787; H.
Scholz and H.
Schweitzer, Die sogenannte
Definitionen durch Abstraktion
(Leipzig, 1935).
JULIUS WEINBERG
[See also Analogy;
Axiomatization; Experimental Science;
Islamic Conception; Number; Optics and Vision; Organi-
cism;
Platonism;
Rationality.]
