Originally published in 1926, this book was written in the first instance for the benefit of those students of Logic and Scientific Method who receive insufficient or no help in the way of oral instruction. The main function of the following pages is to deal with the exercises, as distinguished from the book-questions. It includes chapters on the scope of logic, theory of judgment and immediate inference, and theory of induction.
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Yes, you can access Key to Exercises in Logic and Scientific Method by A. Wolf in PDF and/or ePUB format, as well as other popular books in Philosophy & Logic in Philosophy. We have over one million books available in our catalogue for you to explore.
STUDENTS are strongly urged to make themselves familiar with the symbolic representation of propositions. Beginners are prone to cling to the actual wording of the given sentences, and to try to obtain the new form required direct from the words. This is a mistake. Symbolic forms when mastered make the relationships between propositions much clearer and less liable to misapprehension. And the amount of symbolic skill required for ordinary Logic is really small, and readily mastered with a little effort.
There are a few points which should be noted in this connection. In Algebra x, y, etc., may represent negative as well as positive quantities. Similarly in Logic, S, P, Q, R, etc., may stand for negative as well as for positive terms. The important thing to remember is that S and
are a pair of contradictory terms; but they are just as contradictory when S stands for the negative term and
for the positive term as when vice versa. Similarly with A, B, C, D, etc., which are here used not for terms but for clauses—for the antecedents or consequents of hypothetical propositions, or for the alternatives ...
