71. Common Sense Ethics. 72. Ethics and Philosophy. 73. Aesthetics.
CHAPTER XIX
METAPHYSICS
74. What is Metaphysics? 75. Epistemology.
CHAPTER XX
THE PHILOSOPHY OF RELIGION
76. Religion and Reflection. 77. The Philosophy of Religion.
CHAPTER XXI
PHILOSOPHY AND THE OTHER SCIENCES
78. The Philosophical and the Non-philosophical Sciences. 79. The study of Scientific Principles and Methods.