Elements of Deductive Logic
by Antony Eagle
Publisher: University of Adelaide 2008
Number of pages: 178
This is a textbook covering the basics of formal logic and elementary metatheory. Its distinguishing feature is that it has more emphasis on metatheory than comparable introductory textbooks. It was originally written to accompany lectures in an introductory to intermediate logic course at the University of Oxford, but it is designed to be used independently.
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An undergraduate college level textbook covering first order predicate logic with identity but omitting metalogical proofs. The first rules of formal logic were written over 2300 years ago by Aristotle and are still vital.
by William Walker Atkinson - The Progress company
By the employment of the reasoning faculties of the mind we compare objects presented to the mind as percepts or concepts, taking up the raw materials of thought and weaving them into complex mental fabrics which we call abstract ideas of truth.
by J. B. Baillie - MacMillan
The student of Hegel usually finds the Logic the most forbidding part of the System. The aim of the book is to attempt to remove the difficulties in the way of understanding the Logic, but also regarding the point of view of the System generally.
by Lewis Carroll - Macmillan and co
Here you see Carroll the mathematician at his playful best. This isn't about modern symbolic logic but about ways of expressing classical logic with symbols. It's loaded with amusing problems to delight any mathematical puzzler.