Howard-Snyder F., Howard-Snyder D., Wasserman R. The Power of Logic

5th edition. — McGraw-Hill Humanities/Social Sciences/Languages, 2012. — 672 p. — ISBN: 0078038197.This fifth edition of The Power of Logic offers an introduction to informal logic, traditional categorical logic, and modern symbolic logic. The authors’ direct and accessible writing style, along with a wealth of engaging examples and challenging exercises, makes this an ideal text for today’s logic classes.