D.
Debate, four species of, [377].
Definition, among the præcognita assumed in Demonstration, [212], [214], [220], [221]; propositions declaring, attained only in First figure, [224]; of Essence that depends on extraneous cause, [240]-44; of Essence without such middle Term, [245]; three varieties of, [245]; how to frame a, [249]; as sought through logical Division, [250]; to exclude equivocation, [251]; one of the Predicates, according to Aristotle, [276]; thesis of, easiest to attack, hardest to defend, [285], [353]; dialectical Loci bearing on, [329] seq.; how open to attack or defence, [330]; defects in the setting out of, [330]; faults in the substance of, [332]-48; the genuine and perfect, [333]; general rule for dialectically testing, [349]; is primarily of Essences, of the other Categories not directly, [597]; none, of particular Concretes, [602], [606]; is of the Universal or Form, [603]; whence the unity of the, [604], [612]; none, of eternal Essences, [607]; analogy of, to Number, [611].
Delbœuf, Prof., on indemonstrable truths, [229 n.]
Demades, with Phokion at the head of the Athenian administration under Alexander, [12].
Demochares, nephew of Demosthenes, accuser of Aristotle, [14].
Demokritus, disregarded experience, [436]; his view of the soul, [449]; made intelligence dependent on sense, which is ever varying, [588]; recognized one primordial body with three differences — figure, position, arrangement, [609]; got partial hold of the idea of Ens Potentiâ or Matter, [620]; atomic doctrine of, [634]; his reason for the stationariness of the Earth, [649]; how followed by Epikurus, [656]-58.
Demonstrative Science, see [Demonstration].
[Demonstration], ultimately reducible to two first modes of First figure, [155]; circular, [173], [215]; subject of Analyt. Post. [207]; how opposed to Dialectic, [209], [573]; is teaching from præcognita assumed, [211], [214]; undemonstrable principles of, [215]; two doctrines of, opposed by Aristotle, [215], [228]; necessary premisses of, [216]; conclusion of, must be necessary, [218]; none, of nonessential concomitants, [219]; the parts of, [219]; premisses of, must be essential and appropriate, [220]; requires admission of universal predicates, [221]; premisses for, obtained only from Induction, [226], [258], [260], [576]; implies some truths primary or ultimate, [227], [230]; the unit in, [231]; of the Universal better than of the Particular, [231]; Affirmative better than Negative, [233]; Direct better than Indirect, [234]; is of the necessary or customary, not of the fortuitous, [235], [606]; none, through sensible perception, [235]; in default of direct observation, [230]; relation of, to Definition, [240]; principia of, not innate, [256]; principia of, how developed upon sensible perception, [256], [575].
Demophilus, joined in indicting Aristotle for impiety, [12].
Demosthenes, reproached for conversing with the bearer of Alexander’s rescript to the Greek cities, [11]; suicide of, [12].
Desire, see [Appetite].
Dexippus, vindicated Aristotle’s Categories, [103], [563].
Dialectic, how related to Science or Philosophy, [47], [210], [272], [273]; form of putting questions in, [125], [275]; theses in, variously liable to attack and defence, [156], [285], [352]; as conceived by Plato, [208], [263]; by Aristotle placed with Rhetoric in the region of Opinion, [208], [266], [573]; opposed to Demonstrative Science and Necessary Truth, [209], [573]; concerned about the Common Axioms of all Science, [221], [272], [574], [584]; Aristotle claims to be specially original in his theory of, [262], [418]; as conceived and practised by Sokrates, [263], [436]; opposed by Aristotle to Didactic, [264], [377]; province of, [266], [573]; essentially contentious, [266], [378], [397]; uses of, [271], [574]; propositions, how classified in, [276]; procedure of, in contrast with that of Philosophy, [353], [584]; conditions and aims of the practice of, [354], [361], [378]; to be practised as a partnership for common intellectual profit, [355], [367]; part of the questioner in, [355] seq.; part of the respondent in, [361] seq.; respondent at fault in, [366]; questioner at fault in, [367]; four kinds of false argument in, [370]; outfit for practice of, [372]; one of four species of debate, [377]; when and why called eristic or sophistic by Aristotle, [379]; Aristotle’s distinction of Sophistic from, contested, [382], [393] seq.
Dialogues of Aristotle lost, [30], [32], [49].
Diaphanous, action of the, in vision, [466].
Dicto secundum quid ad dictum simpliciter, Fallacia a, [386]; how to solve, [412].
Didactic, confounded by Plato with Dialectic, [264]; distinguished from Dialectic by Aristotle, [264], [377]; species of Debate, [377]; scope and conditions of, [377]; see also [Demonstration].
Differences, study of, an organon of debate, [280].
Differentia, not in, but predicated of, a Subject, [68]; ranked with Genus in Aristotle’s list of Predicables, [276]; discriminated from Genus, [313]; definition of Species through Genus and, [333], [601]; is Form in the definition, [604]; logically prior to the Species, [607].
Diogenes of Apollonia, his view of the soul, [449].
Diogenes Laertius, his catalogue of Aristotle’s works, [28], compared with that of Anonymus, [29]; ignorant of the principal works of Aristotle known to us, [31]; catalogue of, probably of Alexandrine origin, [34], [41].
Dionysius, younger of Syracuse, visited by Plato, [4]; corresponded with Plato, [7].
Dionysodorus, the Sophist, [383].
Dioteles, friend of Aristotle, [17].
Διότι, Τό, the Why, knowledge of, [223], one of the four heads of Investigation, [238]; in search for a middle term, [239]; relation of, to the question Quid, [239]; see [Cause].
Disjunction, Fallacy of, [385]; how to solve, [408].
Division Logical, weakness of, [163], [242]; use of, to obtain a definition, [250].