Chapter 1. Introduction: Logic and Language
Irving M. Copi, Symbolic Logic, New York: Macmillan Publishing, 1979, pp. 1-7. (1) What Is Logic? ① Charles Peirce: ‘It will, however, generally be conceded that its central problem is the classification of arguments, so that all those that are bad are thrown into one division, and those which are good into another....' The study of logic, then, is the study of the methods and principles used in..