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SIR WILLIAM HAMILTON (1730-1803)

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Originally appearing in Volume V12, Page 890 of the 1911 Encyclopedia Britannica.
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SIR See also:WILLIAM See also:HAMILTON (1730-1803)  , See also:British diplomatist and archaeologist, son of See also:Lord See also:Archibald See also:Hamilton, See also:governor of See also:Greenwich See also:hospital and of See also:Jamaica, was See also:born in See also:Scotland on the 13th of See also:December 1730, and served in the 3rd See also:Regiment of See also:Foot See also:Guards from 1747 to 1758 . He See also:left the See also:army after his See also:marriage with See also:Miss See also:Barlow, a Welsh heiress from whom he inherited an See also:estate near See also:Swansea upon her See also:death in 1782 . Their only See also:child, a daughter, died in 1775 . From 1761 to 1764 he was member of See also:parliament for See also:Midhurst, but in the latter See also:year he was appointed See also:envoy to the See also:court of See also:Naples, a See also:post which he held for See also:thirty-six years—until his recall in 1800 . During the greater See also:part of this See also:time the See also:official duties of the See also:minister were of small importance: It was enough that the representative of the British See also:crown should be a See also:man of the See also:world whose means enabled him to entertain on a handsome See also:scale . Hamilton was admirably qualified for these duties, being an amiable and accomplished man, who took an intelligent See also:interest in See also:science and See also:art . In 1766 he became a member of the Royal Society, and between that year and 1780 he contributed to its Philosophical Transactions a See also:series of observations on the See also:action of volcanoes, which he had made, or caused to be made, at See also:Vesuvius and See also:Etna . He employed a draftsman named Fabris to make studies of the eruption of 1775 and 1776, and a Dominican, Resina, to make observations at a later See also:period . He published See also:generation in Scotland . Much about the same time he began the preparation of an annotated edition of See also:Reid's See also:works, intending to annex to it a number of See also:dissertations . Before, however, this See also:design had been carried out, he was struck (1844) with See also:paralysis of the right See also:side, which seriously crippled his bodily See also:powers, though it left his mind wholly unimpaired . The edition of Reid appeared in 1846, but with only seven of the intended dissertations—the last, too, unfinished .

It was his distinct purpose to See also:

complete the See also:work, but this purpose remained at his death unfulfilled, and all that could be done afterwards was to See also:print such materials for the See also:remainder, or such notes on the subjects to be discussed, as were found among his See also:MSS . Considerably before this time he had formed his theory of See also:logic, the leading principles of which were indicated in the See also:prospectus of " an See also:essay on a new See also:analytic of logical forms " prefixed to his edition of Reid . But the elaboration of the See also:scheme in its details and applications continued during the next few years to occupy much of his leisure . Out of this arose a See also:sharp controversy with See also:Augustus de See also:Morgan . The essay did not appear, but the results of the labour gone through are contained in the appendices to his Lectures on Logic . Another occupation of these years was the preparation of extensive materials for a publication which he designed on the See also:personal See also:history, See also:influence and opinions of See also:Luther . Here he advanced so far as to have planned and partly carried out the arrangement of the work; but it did not go further, and still remains in MS . In 1852–1853 appeared the first and second See also:editions of his Discussions in See also:Philosophy, Literature and See also:Education, a reprint, with large additions, of his contributions to the See also:Edinburgh See also:Review . Soon after, his See also:general See also:health began to fail . Still, however, aided now as ever by his devoted wife, he persevered in See also:literary labour; and during 1854–18J5 he brought out nine volumes of a new edition of See also:Stewart's works . The only remaining See also:volume was to have contained a memoir of Stewart, but this he did not live to write . He taught his class for the last time in the See also:winter of 1855–1856 .

Shortly after the See also:

close of the session he was taken See also:ill, and on the 6th of May 1856 he died in Edinburgh . Hamilton's See also:positive contribution to the progress of thought is comparatively slight, and his writings, even where reinforced by the copious lecture notes taken by his pupils, cannot be said to See also:present a comprehensive philosophic See also:system . None the less he did consider-able service by stimulating a spirit of See also:criticism in his pupils, by insisting on the See also:great importance of See also:psychology as opposed to the older metaphysical method, and not least by his recognition of the importance of See also:German philosophy, especially that of See also:Kant . By far his most important work was his "Philosophy of the Unconditioned," the development of the principle that for the human finite mind there can be no knowledge of the See also:Infinite . The basis of his whole See also:argument is the thesis, " To think is to See also:condition." Deeply impressed with Kant's See also:antithesis between subject and See also:object, the knowing and the known, Hamilton laid See also:clown the principle that every object is known only in virtue of its relations to other See also:objects (see RELATIVITY OF KNOWLEDGE) . From this it follows limitless time, space, See also:power and so forth are humanly speaking inconceivable . The fact, how-ever, that all thought seems to demand the See also:idea of the infinite or See also:absolute provides a See also:sphere for faith, which is thus the specific See also:faculty of See also:theology . It is a weakness characteristic of the human mind that it cannot conceive any phenomenon without a beginning: hence the conception of the causal relation, according to which every phenomenon has its cause in preceding phenomena, and its effect in subsequent phenomena . The causal concept is, therefore, only one of the See also:ordinary necessary forms of the cognitive consciousness limited, as we have seen, by being confined to that which is relative or conditioned . As regards the problem of the nature of objectivity, Hamilton simply accepts the See also:evidence of consciousness as to the See also:separate existence of the object: " the See also:root of our nature cannot be a See also:lie." In virtue of this See also:assumption Hamilton's philosophy becomes a " natural See also:realism." In fact his whole position is a See also:strange See also:compound of Kant and Reid . Its See also:chief See also:practical corollary is the denial of philosophy as a method of attaining absolute knowledge and its relegation to the See also:academic sphere of See also:mental training . The transition from philosophy to theology, i.e. to the sphere of faith, is presented by Hamilton under the analogous relation between the mind and the See also:body .

Phoenix-squares

As the mind is to the body, so is the unconditioned Absolute or See also:

God to the world of the conditioned . Consciousness, itself a conditioned phenomenon, must derive from or depend on some different thing See also:prior to or behind material phenomena . Curiously enough, however, Hamilton does not explain how it comes about that God, who in the terms of the See also:analogy bears to the See also:con-,ditioned mind the relation which the conditioned mind bears to itsobjects, can Himself be unconditioned . He can be regarded only as related to consciousness, and in so far is, therefore, not absolute or unconditioned . Thus the very principles of Hamilton's philosophy are apparently violated in his theological argument . Hamilton regarded logic as a purely formal science; it seemed to him an unscientific mixing together of heterogeneous elements to treat as parts of the same science the formal and the material conditions of knowledge . He was quite ready to allow that on this view logic cannot be used as a means of discovering or guaranteeing facts, even the most general, and expressly asserted that it has to do, not with the See also:objective validity, but only with the mutual relations, of judgments . He further held that See also:induction and See also:deduction are correlative processes of formal logic, each resting on the necessities of thought and deriving thence its several See also:laws . The only logical laws which he recognized were the three axioms of identity, non-See also:contradiction, and excluded See also:middle, which he regarded as severally phases of one general condition of the possibility of existence and, therefore, of thought . The See also:law of See also:reason and consequent he considered not as different, but merely as expressing metaphysically what these See also:express logically . He added as a postulate—which in his theory was of importance—" that logic be allowed to See also:state explicitly what is thought implicitly." In logic, Hamilton is known chiefly as the inventor of the See also:doctrine of the " quantification of the predicate," i.e. that the See also:judgment " All A is B " should really mean " All A is all B," whereas the ordinary universal proposition should be stated " All A is some B." This view, which was supported by See also:Stanley See also:Jevons, is fundamentally at See also:fault since it implies that the predicate is thought of in its ex-tension; in point of fact when a judgment is made, e.g. about men, that they are mortal (" All men are mortal "), the intention is to attribute a quality (i.e. the predicate is used in See also:connotation) . In other words, we are not considering the question " what See also:kind are men among the various things which must See also:die?" (as is implied in the See also:form " all men are some mortals ") but " what is the fact about men?" We are not stating a See also:mere identity (see further, e.g., H .

W . B . See also:

Joseph, Introduction to Logic, 1906, pp . 198 See also:foil.) . The philosopher to whom above all others Hamilton professed See also:allegiance was See also:Aristotle . His works were the object of his profound and See also:constant study, and supplied in fact the See also:mould in which his whole philosophy was See also:cast . With the commentators on the Aristotelian writings, See also:ancient, See also:medieval and See also:modern, he was also See also:familiar; and the scholastic philosophy he studied with care and appreciation at a time when it had hardly yet begun to attract See also:attention in his See also:country . His wide See also:reading enabled him to trace many a doctrine to the writings of forgotten thinkers; and nothing gave him greater See also:pleasure than to draw forth such from their obscurity, and to give due See also:acknowledgment, even if it chanced to be of the prior See also:possession of a view or argument that he had thought out for himself . Of modern German philosophy he was a diligent, if not always a sympathetic, student . How profoundly his thinking was modified by that of Kant is evident from the See also:tenor of his speculations; nor was this less the See also:case because, on fundamental points, he came to widely different conclusions . Any See also:account of Hamilton would be incomplete which regarded him only as a philosopher, for his knowledge and his interests em-braced all subjects related to that of the human mind . See also:Physical and mathematical science had, indeed, no attraction for him; but his study of See also:anatomy and See also:physiology was See also:minute and experimental .

In literature alike ancient and modern he was widely and deeply read; and, from his unusual powers of memory, the stores which he had acquired were always at command . If there was one period with the literature of which he was more particularly familiar, it was the 16th and 17th centuries . Here in every See also:

department he was at See also:home . He had gathered a vast amount of its theological See also:lore, had a See also:critical knowledge especially of its Latin See also:poetry, and was minutely acquainted with the history of the actors in its varied scenes, not only as narrated in professed records, but as revealed in the letters, table-talk, and casual effusions of themselves or their contemporaries (cf. his See also:article on the Epistolae obscurorum virorum, and his pamphlet on the Disruption of the See also:Church of Scotland in 1843) . Among his literary projects were editions of the works of See also:George See also:Buchanan and See also:Julius See also:Caesar See also:Scaliger . His general scholarship found expression in his library, which, though mainly, was far from being exclusively, a philosophical collection . It now forms a distinct portion of the library of the university of See also:Glasgow . His chief practical interest was in education—an interest which he manifested alike as a teacher and as a writer, and which had led him See also:long before he was either to a study of the subject both theoretical and See also:historical . He thence adopted views as to the ends and methods of education that, when afterwards carried out or advocated by him, met with general recognition; but he also expressed in one of his articles an unfavourable view of the study of See also:mathematics as a mental gymnastic, which excited much opposition, but which he never saw reason to alter . As a teacher, he was zealous and successful, and his writings on university organization and reform had, at the time of their See also:appearance, a decisive practical effect, and contain much that is of permanent value . His See also:posthumous works are his Lectures on See also:Metaphysics and Logic, 4 vols., edited by H . L .

See also:

Mansel, See also:Oxford, and See also:John See also:Veitch (Metaphysics, 1858; Logic, 186o) ; and Additional Notes to Reid's Works, from See also:Sir W . Hamilton's MSS., under the editorship of H . L . Mansel, D.D . (1862) . A Memoir of Sir W . Hamilton, by Veitch, appeared in 1869 .

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