Science has revolutionized our conception of Nature. Philosophy has to be transformed because no longer depending upon a science which accepts a closed, finite world. Or, fixed species. Or, superiority or rest to change and motion. Contrast of feudal with democratic conceptions. Elimination of final causes. Mechanical science and the possibility of control of nature. Respect for matter. New temper of imagination. Influence thus far technical rather than human and moral. IV CHANGED CONCEPTIONS OF EXPERIENCE AND REASON 77 Traditional conception of nature of experience. Limits of ancient civilization. Effect of classic idea on modern empiricism. Why a different conception is now possible. Psychological change emphasizes vital factor using environment. Effect upon traditional ideas of sensation and knowledge. Factor of organization. Socially, experience is now more inventive and regulative.... Corresponding change in idea of Reason. Intelligence is hypothetical and inventive. Weakness of historic Rationalism. Kantianism. Contrast of German and British philosophies. Reconstruction of empirical liberalism. V CHANGED CONCEPTIONS OF THE IDEAL AND THE REAL 103 Idealization rooted in aversion to the disagreeable.... This fact has affected philosophy.... True reality is ideal, and hence changeless, complete. Hence contemplative knowledge is higher than experimental. Contrast with the modern practise of knowledge.... Significance of change.... The actual or realistic signifies conditions effecting change.... Ideals become methods rather than goals. Illustration from elimination of distance. Change in conception of philosophy.... The significant problems for philosophy.... Social understanding and conciliation. The practical problem of real and ideal. VI THE SIGNIFICANCE OF LOGICAL RECONSTRUCTION 132 Present confusion as to logic. Logic is regulative and normative because empirical. Illustration from mathematics. Origin of thinking in conflicts. Confrontation with fact. Response by anticipation or prediction. Importance of hypotheses. Impartial inquiry. Importance of deductive function. Organization and classification. Nature of truth. Truth is adverbial, not a thing. VII RECONSTRUCTION IN MORAL CONCEPTIONS 161