Excerpt from Primer of Logic
In the pages which follow will be found the outlines of the logic of a set of categorical forms which are not Aristotle's own. It is only the fragment of a general theory, but the content of all the chapters of the old logic, which are commonly regarded as essential, except that one which deals with the calculus of classes, will be found included. In the first appendix the relation of these new forms to the traditional ones has been pointed out in detail.
I have at least one debt, which calls for a definite acknowledgement. It is to my friend and teacher, Mr. Edgar A. Singer, Jr., that I owe what training I have had in the science. He has never failed, through hints thrown out in conversation, to correct my misapprehensions. But my indebtedness is more specific than this. I have so far employed his own method, a method developed in his academic lectures, that I could scarcely have ventured upon the publication of these outlines of a theory without his express permission.
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