[45] For further considerations respecting the axioms of Contradiction and Excluded Middle, see the twenty-first chapter of An Examination of Sir William Hamilton's Philosophy.
[46] Mr. De Morgan says "Plato," but to prevent confusion I have kept to my own exemplum.
BOOK III.
OF INDUCTION.
"According to the doctrine now stated, the highest, or rather the only proper object of physics, is to ascertain those established conjunctions of successive events, which constitute the order of the universe; to record the phenomena which it exhibits to our observations, or which it discloses to our experiments; and to refer these phenomena to their general laws."—D. Stewart, Elements of the Philosophy of the Human Mind, vol. ii. chap. iv. sect. 1.