15. Illustration from the dimensions of the Pyramid.
16, 17. Discussion of certain difficulties here.
18, 19. Illustration from Psychical Phenomena.
20. Arbuthnott's Problem of the proportion of the sexes.
21–23. Random or designed distribution of the stars.
(Note on the proportion of the sexes.)
[CHAPTER XI.]
MATERIAL AND FORMAL LOGIC.
§§ 1, 2. Broad distinction between these views;
2, 3. Difficulty of adhering consistently to the objective view;