The Origin and Growth of Plato's Logic
by Wincenty Lutosawski
Publisher: Longmans, Green and co. 1905
Number of pages: 616
In undertaking the investigations summarized in this volume, the author's chief aim was to explain the origin of Logic by a psychological study of the first logician. This required a knowledge of the chronology of Plato's writings, not supplied by our historical tradition nor by the extant Platonic investigations.
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by Carveth Read - Project Gutenberg
Logic is the science that explains what conditions must be fulfilled in order that a proposition may be proved. When propositions are expressed with the universality and definiteness that belong to scientific statements, they are called laws.
by Greg Restall - consequently.org
A textbook in philosophical logic, accessible to someone who's done only an intro course in logic, covering some model theory and proof theory of propositional logic, and predicate logic. User-friendly and philosophically motivated presentation.
by Craig DeLancey - Open SUNY Textbooks
A Concise Introduction to Logic is an introduction to formal logic suitable for undergraduates taking a general education course in logic or critical thinking, and is accessible and useful to any interested in gaining a basic understanding of logic.
by John Neville Keynes - The Macmillan Company
In addition to a detailed exposition of certain portions of Formal Logic, the following pages contain a number of problems worked out in detail and unsolved problems, by means of which the student may test his command over logical processes.