C.
Canon, Aristotelian, see [Aristotle].
Categoriæ, the treatise, not mentioned in Analytica or Topica, [56]; subject of, how related to that of De Interpretatione, [57], [59], [108], [109]; deals with Ens in a sense that blends Logic and Ontology, [62], [108]; difference of Aristotle’s procedure in, compared with Physica and Metaphysica, [65], [103]; probably an early composition, [80]; remained known, when other works of Aristotle were unknown or neglected, [563].
[Categories], Ten, assumed in Analytica and Topica, [56]; led up to by a distinction of Entia (Enunciata), [59]; blending together Logic and Ontology, [62]; Ens according to the, [61], [425], [594] seq. (Metaph. Z., Η.); enumerated, [65]; all embodied in First or Complete Ens, [66], [595]; each a Summum Genus, and some wider still, [66]; not all mutually exclusive, [66], [73], [81], [89]; may be exemplified, not defined, [66]; how arrived at, [66], [76] seq.; joined by later logicians with the Predicables, [73]; stress laid by Aristotle upon the first four, [74]; why Ten in number — might have been more, [74] seq.; obtained by logical, not metaphysical, analysis, [76]; heads of information or answers respecting an individual, [77]; inference as to true character of, from case of Habere and Jacere, [79]; all, even the first, involve Relativity, [80] seq.; Mr. J. S. Mill on, [90 n.]; capital distinction between the first and all the rest, [91] seq., [563], [594]; Trendelenburg’s view of their origin, [99], likely and plausible, [99]; compared with Categories of the Stoics, [100], [563], of Plotinus, [102], [563], of Galen, [103].
[Cause], Knowledge of, distinguished from knowledge of Fact, [223]; knowledge of, the perfection of cognition, [224], [235]; one of the four heads of Investigation, [238]; nature of the question as to, [239], [608]; substantially the same enquiry with Cur, Quid, and the Middle Term, [240], [246]; four varieties of, [245], [611], [621]; relation among the varieties of, [246]; how far reciprocal with the causatum, [247], [254]; has an effect only one? [254]; the General Notion viewed by Aristotle as a, [422].
[Chance], source of irregularity in the Kosmos, [114], [206]; affects the rule of Antiphasis, [115]; Aristotle’s doctrine of, challenged, [116]; objective correlate to the Problematical Proposition, [133], [205]; principle or cause of Accidents, [594]; Generations and Constructions proceeding from, [598], [620].
Change, four varieties of, [609].
Chrysippus, on the determination of will by motives, [661]; his reverence for divination, &c., [662]; a foreigner at Athens, without a sphere of political action, [662].
Cicero, his encomium on Aristotle’s style, [30], [41]; how far he knew Aristotle’s works, [30], [31], [33], [40], [50]; his use of the word “exoteric,� [44], [51].
Claudian, referred to, [13].
CÅ“lo, Treatise de, connected with what other works, [54], [653].
Colour, object of vision, action of, [466]; varieties of, proceeding all from white and black, [467].
Common Sense, or Opinion, opposed to Science in Plato and Aristotle, [207]; Sir W. Hamilton on, [565]; legitimate meaning of, [567]; authoritative character of, in one place allowed by Aristotle, [569]; Aristotle’s conception of, as devoid of scientific authority, [573], [574].
[Compound], The (τὸ σύνολον), of Form and Matter, or the Individual, [445], [456], [599] seq.
Concealment, how to be practised by dialectical questioner, [356].
Conclusion, of Syllogism, indicates Figure, [152], [164], [167]; when more than one, [171]; true, from false premisses, [172] use to demonstrate premisses, [173]; reversed to refute premisses, [174]; kinds of, in Demonstration, compared, [231].
[Concomitants], non-essential, no demonstration of, [219]; no definition of, [220]; near to Non-Entia, [561]; little more than a name, [593]; see [Accident].
Concrete, and Abstract, appellatives not used by Aristotle, [65]; the, as compound of Form and Matter, [456] seq.; see [Compound].
Conjunction, Fallacy of, [385]; how to solve, [408].
Consequentis Fallacia, [388]; not understood before Aristotle, [390]; how to solve, [412].
Construction, kind of Generation, [598].
Contradiction, Maxim or Axiom of, depends upon knowledge of quantity and quality of propositions, [137], [441]; not self-evident, [144]; among the præcognita of Demonstration, [212], [427]; not formally enunciated in any special science, [221]; discussion of, belongs to First Philosophy, [422], [425], why, [426], [579]; enunciated, as highest and firmest of all principles, [425], [585]; controverted by Aristotle’s predecessors, Herakleitus, Anaxagoras, &c., [427], [429], [441]; Aristotle’s indirect proof of, [427] seq., [585] seq.; applied in the Sokratic Elenchus, [441]; remarks on Aristotle’s defence of, [442]; can be supported only by an induction of particular instances, [443]; enunciated both as a logical and as an ontological formula, [579]; defended by Aristotle specially against Herakleitus, [579].
[Contradictory Opposites], pair of, make Antiphasis, [111]; distinguished from Contrary Opposites, [111], [124], [134]; rule of, as to truth and falsity, [112]; related pairs of, set forth in quaternions, [118] seq., [170]; distinction of from Contrary, fundamental in Logic, [137]; see [Antiphasis].
Contrariorum, Petitio, in Dialectic, [372].
Contrary Opposites (terms), [104]; Opposites (propositions), distinguished from Contradictory, [111], [124], [134]; rule of as to truth and falsity, [112].
Conversion (1) of Propositions, import of, [144]; rules for, with Aristotle’s defective proof thereof, [144] seq.; can be proved only by Induction, [146], [147]; (2) of Syllogism, [174].
Courage, definition of, [525].