Logick: Or, The Right Use of Reason in the Enquiry After Truth
Isaac Watts
Published 1729
380 pages
Free logic books
Logic is the study of good reasoning. These books teach you how arguments work, how to spot a fallacy and how to think more clearly, from informal critical thinking to formal symbolic logic. Useful for students, and for anyone who wants to argue better. This list shows the ones you can read in full for free.
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A Manual of Logic
James Welton
Published 1891
600 pages
Prolegomena to the Study of Hegel's Philosophy and Especially of His Logic
William Wallace, Professor of International Relations William Wallace
Published 1894
516 pages
An Essay on the Certainty of Medicine
Pierre Jean Georges Cabanis
Published 1823
242 pages
A Treatise on Logic
Francis Bowen
Published 1890
490 pages
Manual of Elementary Logic
Lyman Hotchkiss Atwater
Published 1871
274 pages
A Short Introduction to the Study of Logic
Laurence Johnstone
Published 1887
266 pages
A treatise on logic, on the basis of Aldrich, with illustrative notes
John Huyshe
Published 1827
190 pages
An Introduction to Logic
William Henry Stanley Monck
Published 1880
296 pages
Elementary Notions of Logic
Alfred Milnes
Published 1884
156 pages
The Organon, Or Logical Treatises, of Aristotle
Aristotle
Published 1889
398 pages
Logic
Christoph Sigwart
Published 1895
600 pages
Logick; Or, The Right Use of Reason in the Inquiry After Truth
Isaac Watts
Published 1801
342 pages
The Process of Argument
Alfred Sidgwick
Published 1893
256 pages
Prodromus
Graves Champney Haughton
Published 1839
292 pages
On the Fourfold Root of the Principle of Sufficient Reason
Arthur Schopenhauer
Published 1891
428 pages
Philosophical Works
John Locke, James Augustus St. John
Published 1876
566 pages
Dr. Girardeau's Anti-evolution
James L. Martin, John Lafayette Girardeau
Published 1889
74 pages
The Physical and Metaphysical Works of Lord Bacon
Francis Bacon, Joseph Devey
Published 1898
616 pages
A System of Logic
P. McGregor
1862 · 1872 edition
480 pages
The Logic of Chance
John Venn
1866 · 1888 edition
550 pages
An Outline of the Necessary Laws of Thought
William Abp of York Thomson
Published 1892
330 pages
Studies and Exercises in Formal Logic
John Neville Keynes
Published 1894
512 pages
An Outline of the Necessary Laws of Thought
William Thomson, William Abp of York Thomson
Published 1875
340 pages