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WILLIAM FLEMING - 1890 - Table of contents

A - B - C - D - E - F - G - H- I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W  

Diccionario filosófico
Complete edition

Diccionario de Filosofía
Brief definition of the most important concepts of philosophy.


A Dictionary of English Philosophical Terms Francis Garden


Vocabulary of Philosophy, Psychological, Ethical, Metaphysical
William Fleming

Biografías y semblanzas Biographical references and lives of philosophers

Brief introduction to the thought of Ortega y Gasset

History of Philosophy Summaries

Historia de la Filosofía
Explanation of the thought of the great philosophers; summaries, exercises...

Historia de la Filosofía
Digital edition of the History of Philosophy by Jaime Balmes

Historia de la Filosofía
Digital edition of the History of Philosophy by Zeferino González

Vidas, opiniones y sentencias de los filósofos más ilustres
Complete digital edition of the work of Diogenes Laertius

Compendio de las vidas de los filósofos antiguos

A brief history of Greek Philosophy
B. C. Burt


A Short History of Philosophy





DEDUCTION (de ducere, to draw from), drawing a particular truth from a general, antecedently known, as distinguished from Induction, rising from particular truths to a general. The syllogism is the form of deduction. "An enunciation in which, from the truth of certain assertions, the truth of another assertion different from the first is inferred" (Aristotle, Prior Analyt., bk. I, ch. I.).

The principle of deduction is, that things which agree with the same thing agree with one another. The principle of induction is, that in the same circumstances, and in the same substances, from the same causes the same effects will follow.

The mathematical and metaphysical sciences are founded on deduction; the physical sciences with empirical Psychology rest on induction.

Mill holds that all reasoning is ultimately inductive. For his views as to the relation of induction and deduction, the nature of the syllogism and mathematical inference, see Logic, bk. II. See also Whewell, Phil. of Induct. Sci. For the Kantian use of the term, see next article.



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