UNIVERSITY OF FLORIDA PPY. 220. (Formerly PPY. 310).-Methods of Philosophical Analysis. 3 hours. 3 credits. Offered 1. The fundamental techniques of analysis and evaluation used in the further study of philosophy and other subjects, and application of these techniques to philosophical material. PPY. 221 (Formerly PPY. 301).-Ethics. 3 hours. 3 credits. Offered 1. An inquiry into basic concepts and principles of moral action. Readings will include selections from the works of important ethicists. PPY. 311 (Formerly PPY. 409).-History of Philosphy-Ancient and Med- ieval Periods. 3 hours. 3 credits. Offered 1. History of philosophy from Greece to the Renaissance. Selections from the writings of the principal figures of this period will be read. PPY. 312 (Formerly PPY. 410).-History of Philosophy-Modern. 3 hours. 3 credits. Offered 2. History of philosophy from the Renaissance to the end of the 18th Century. Selections from such writers as Descartes, Spinoza, Locke, Hume, and Kant will be read. PPY. 320 (Formerly PPY. 309).-Deductive Logic. 3 hours. 3 credits. Of- fered 1. An introduction to deductive logic. Some discussion of Aristotelian logic, but the emphasis is on the more general and more powerful symbolic techniques developed in the contemporary period. PPY. 322 (Formerly PPY. 307).-Theory of Knowledge. 3 hours. 3 cred- its. Offered 1. An inquiry into the nature of human knowledge, its grounds, and structure, and the criteria of acceptable beliefs. Reading will include selections from important histor- ical and modern philosophers with emphasis on contemporary empiricism. PPY. 323 (Formerly PPY. 305).-Philosophy of Science. 3 hours. 3 credits. Not offered in 1952-53. A consideration of the nature of the sciences, the relations among them, the nature of scientific methods and philosophic issues involved in the basic concepts of the sciences. PPY. 324 (Formerly PPY. 304).-Aesthetics. 3 hours. 3 credits. Offered 2. A systematic investigation of the problems of aesthetic value. Consideration will be given to the work of prominent philosophic aestheticians. PPY. 411 (Formerly PPY. 453).-Philosophy in America. 3 hours. 3 cred- its. Prerequisite: At least one course in philosophy. Not offered in 1952-53. Principal movements in philosophic thought in this country: Puritanism, the En- lightenment, Transcendentalism, the academic tradition, the influence of science and evolution, idealism, pragmatism, realism, naturalism, recent trends. PPY. 420 (Formerly PPY. 306) .-Semantics. 3 hours. 3 credits. Prere- quisites. PPY. 220. Not offered 1952-53. The recognition of major positions in the field and the selection and application of a theory of signs to chosen material from the humanities, and the physical, biological, and social sciences. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.