Logic, Inductive and Deductive
by William Minto
Publisher: ManyBooks 1893
Number of pages: 308
In this little treatise two things are attempted that at first might appear incompatible. One of them is to put the study of logical formulae on a historical basis. The other aim, which might at first appear inconsistent with this, is to increase the power of Logic as a practical discipline.
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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.
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 Craig DeLancey - Open SUNY Textbooks
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