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. Beginning with the Greeks (i.e., Plato and Aristotle), there is the concentration on sense perception, especially visual perception, as the primary mode of human experience. Of course, Greek philosophy was subtle and multiform and by no means "inflexibly consistent"

Wiki Markup_(P{_}{_}Rc:_ _158_ _\[240\]; 5:_ _133)._ _Indeed, despite its pronounced orientation to sense perception, Greek thought_ _never_ _lost the "inflexibly objectivist" conviction of common sense that "we perceive other things which are in the world of actualities in the same sense as we are"_ _(158_ _\[240\]; 5:_ _131)._ _Even so, the Greeks are responsible for the tendency of the entire philosophical tradition to suppose that what is most clearly and distinctly given in conscious sense perception is what is metaphysically fundamental. And this explains why they are also responsible for the whole substance-quality ll1etaphysics of the Western tradition, for_ _"exclusive_ _reliance on sense-perception promotes a false metaphysics"_ _(AI:_ _281)._

With Descartes, who was himself dominated by medieval philosophy's more inflexibly consistent Platonic-Aristotelian outlook than were Plato and Aristotle themselves, the mistakes of the Greeks (groLlll.ded in the primal error of taking sense perception to be fundamental) became still more pronounced, even as philosophy was given a subjectivist bias. To be sure, Descartes, and even more so Locke, retains the traditional insistence on our experience of an objective world (hence his theory of realitas objectiva and Locke's theory of "ideas of particular existents"). But the way is already prepared for Hume's demonstration of the utter inadequacy of the philosophical tradition-and, naturally, for Kant's effort to rehabilitate the tradition while retaining its guiding preferences for sense perception over perception of causal efficay and for conception over perception. With Kant and the idealists, the mistake is still made of supposing the most distinctively human elements in experience to be the lTIOSt important metaphysically.

Wiki Markup_PRe:_ 145 f. \ [220 f.\], where Whitehead speaks of "those who wish to confront their metaphysical constructions by a recourse to the facts"). Here  Here are some representative quotations confirming this interpretation of Whitehead's understanding:

"The dominance of Aristotelian logic froin the late classical period onwards has imposed on metaphysical thought the categories naturally derivative from its phraseology. This don1inance of

Wiki Markup"The baseless metaphysical doctrine of 'undifferentiated endurance' is a subordinate derivative from the misapprehension of the proper character of the extensive scheme._"The current accounts of perception are the stronghold of modern metaphysical difficulties. They have their origin in the same misunderstanding which led to the incubus of the substance-quality categories. The Greeks looked at a stone, and perceived that it was grey. The Greeks were ignorant of modern physics; but modern philosophers discuss perception in terms of categories derived from the Greeks._ _
"The Greeks started from perception in its most elaborate and sophisticated form, namely, visual perception. In visual perception, crude percep,tion is most completely made over by the originative phases in experience, phases which are especially prominent in human experience" (117 \ [179\]; S: 100_
f.). \\

Wiki Markup"Iis evident that 'perception in the mode of causal efficacy' is not that sort of perception which has received chief attention inthe philosophical tradition. Philosophers have disdained the information about the universe obtained through their visceral feelings and have concentrated on visual feelings" (121 \ [184\]; S: 100).unmigrated-wiki-markup

"The exclusive dominance of the substance-quality metaphysics was enormously promoted by the logical bias of the medieval period, It was retarded by the study of Plato and Aristotle. These authors included the strains of thought which issued in this doctrine, but included them inconsistently mingled with other notions. The substance-quality metaphysics triumphed with exclusive dominance in Descartes' doctrines" (137 \[209\]; S: 141). \\quality metaphysics triumphed with exclusive dominance in Descartes' doctrines" (137 [209]; S: 141).

"Philosophy has always proceeded on the sound principle that its generalization must be based upon the primary elements in actual experience as starting points

Wiki MarkupGreek philosophy had recourse to the common forms of language to suggest its generalizations. It found the typical statement, 'That stone is grey'; and it evolved the generalization that the actual world can be conceived as a collection of primary substances qualified by universal qualities. Of course, this was not the only generalization evolved: Greek philosophy was subtle and multifonn, also it was not inflexibly consistent. But this general notion was always influencing thought, explicitly or implicitly" (158 \ [240\]; S: 133). \\

Wiki Markup"Traditional philosophy in its account of conscious perception has exclusively fixed attention on its pure conceptual side; and thereby has made difficulties for itself in the theory of knowledge. Locke, with his naive good sense, assumes that perception involves more than this conceptual side; though he fails to grasp the inconsistency of this assumption with the extreme subjectivist sensationalist doctrine. Physical feelings form the nonconceptual elements in our awareness of nature" (243 \ [371 f.\]; 5: 153).

"When Descartes, Locke, and HUlne undertake the analysis of experience, they utilize those elelnents in their own experience which lie clear and distinct, fit for the exactitude of intellectual discourse. It is tacitly assumed, except by Plato, that the more fundamental factors will ever lend themselves for discrimination with peculiar clarity. This assumption is here directly challenged"unmigrated-wiki-markup

_(AT: 225)._ "It was the defect of the Greek analysis of generation that it conceived it in terms of the bare incoming of novel abstrClct form. This ancient analysis failed to grasp the real operation of the antecedent particulars imposing themselves on the novel particular in process of creation. Thus the geometry exemplified in fact was disjoined from their aCCOW1.t of the generation of fact \ [or: was disjoined in their account from the generation of fact?\]" (242).

"Plato, Descartes, Locke, prepared the way for Hume; and Kant followed upon Hume. The point of this discussion is to show an alternative line of thought which evades Hume's deduction from philosophical tradition, and at the same time preserves the general trend of thought received from his three great predecessors" (244).

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