The Calculus of Logic by George Boole, is part of the HackerNoon Books Series. You can jump to any chapter in this book here. General Theorems relating to Elective Functions.
We have now arrived at this step,—that we are in possession of a class of symbols x, y, z, & c. satisfying certain laws, and applicable to the rigorous expression of any categorical proposition whatever. It will be our next business to exhibit a few of the general theorems of the calculus which rest upon the basis of those laws, and these theorems we shall afterwards apply to the discussion of particular examples.
Of the general theorems I shall only exhibit two sets: those which relate to the development of functions, and those which relate to the solution of equations.
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This book is part of the public domain. George Boole (2022). The calculus of logic. Urbana, Illinois: Project Gutenberg. Retrieved October 2022 https://www.gutenberg.org/cache/epub/69512/pg69512-images.html
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