An Investigation of the Laws of Thought: On which are Founded the Mathematical Theories of Logic and Probabilities (Google eBook)

Front Cover
Walton and Maberly, 1854 - Logic - 424 pages
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Review: An Investigation of the Laws of Thought

User Review  - Graham Lee - Goodreads

The description of binary logic as a limit of probabilities where events either certainly happened or certainly didn't is clear. The algebra is muddy in places, with sometimes arbitrary meanings ... Read full review

Review: An Investigation of the Laws of Thought

User Review  - James Van alstine - Goodreads

Not the best communicator. Interesting read though. Read full review

Contents

I
1
II
24
III
39
IV
52
V
66
VI
80
VII
99
VIII
114
XII
177
XIII
185
XIV
219
XV
226
XVI
243
XVII
253
XVIII
276
XIX
295

IX
130
X
150
XI
159
XX
320
XXI
376
XXII
399

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Page 430 - Dictionary of Greek and Roman Biography and Mythology. Edited by WILLIAM SMITH, LL.D., Classical Examiner in the University of London. Medium 8vo. Illustrated by numerous Engravings on Wood. Complete in Three Vols., 51. 15». 6d. Dictionary of Greek and Roman Antiquities.
Page 439 - The Science and Art of Surgery ; being a Treatise on Surgical Injuries, Diseases, and Operations. By JOHN ERIC ERICHSEN, Senior Surgeon to University College Hospital, and Holme Professor of Clinical Surgery in University College, London.
Page 212 - Those things which have nothing mutually in common with one another cannot through one another be mutually understood, that is to say, the conception of the one does not involve the conception of the other.
Page 212 - I understand the affections of substance, or that which is in another thing, by which thing also it is conceived. 6. By God, I understand the Being absolutely infinite, that is the substance consisting of infinite attributes, each of which expresses an eternal and infinite essence.
Page 443 - Stellar Universe — The Tides — Colour — Common Things : Man — Magnifying Glasses — Instinct and Intelligence — The Solar Microscope — The Camera Lucida — The Magic Lantern — The Camera Obscura — The Microscope — The White Ants : their Manners and Habits — The Surface of the Earth, or First Notions of Geography — Science and Poetry — The Bee — Steam Navigation — Electro-Motive Power — Thunder, Lightning, and the Aurora Borealis — The Printing Press— The Crust...
Page 24 - That Language is an instrument of human reason, and not merely a medium for the expression of thought, is a truth generally admitted. It is proposed in this chapter to inquire what it is that renders Language thus subservient to the most important of our intellectual faculties. In the various steps of this inquiry we shall be led to consider the constitution of Language, considered as a system adapted to an end or purpose; to investigate its elements; to seek to determine their mutual relation and...
Page 27 - ... 1st. Literal symbols, as x, y, drc., representing things as subjects of our conceptions. 2nd. Signs of operation, as + , — , X , standing for those operations of the mind by which the conceptions of things are combined or resolved so as to form new conceptions involving the same elements.
Page 443 - Locomotion and Transport, their Influence and Progress — The Moon — Common Things : the Earth — The Electric Telegraph — Terrestrial Heat — The Sun — Earthquakes and Volcanoes — Barometer, Safety Lamp, and Whitworth's Micrometric Apparatus — Steam— The Steam Engine — The Eye — The Atmosphere — Time — Common Things...
Page 6 - There is not only a close analogy between the operations of the mind in general reasoning and its operations in the particular science of Algebra, but there is to a considerable extent an exact agreement in the laws by which the two classes of operations are conducted.
Page 1 - The design of the following treatise is to investigate the fundamental laws of those operations of the mind by which reasoning is performed; to give expression to them in the symbolical language of a Calculus, and upon this foundation to establish the science of Logic...

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