Publisher's Synopsis
Excerpt from Studies in Logic
These papers, the work of my students, have been so instructive to me, that I have asked and obtained permission to publish them in one volume.
Two of them, the contributions of Miss Ladd (now Mrs. Fabian Franklin) and of Mr. Mitchell, present new developments of the logical algebra of Boole. Miss Ladd's article may serve, for those who are unacquainted with Boole's "Laws of Thought," as an introduction to the most wonderful and fecund discovery of modern logic. The followers of Boole have altered their master's notation mainly in three respects.
1. A series of writers, - Jevons, in 1864; Peirce, in 1867; Grassman, in 1872; Schroder, in 1877; and McColl in 1877, - successively and independently declared in favor of using the sign of addition to unite different terms into one aggregate, whether they be mutually exclusive or not.
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