The Canadian Journal of Industry, Science and Art, 2. kötet,10. kiadás;10. kötetCanadian Institute., 1865 |
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159. oldal - The design of the following treatise is to investigate the fundamental laws of those operations of the mind by which reasoning is performed; to give expression to them in the symbolical language of a Calculus, and upon this foundation to establish the science of Logic and construct its method...
160. oldal - Any quantity may be transposed from one side of an equation to the other, if, at the same time, its sign, be changed.
164. oldal - The above interpretation has been introduced not on account of its immediate value in the present system, but as an illustration of a significant fact in the philosophy of the intellectual powers, viz., that what has been commonly regarded as the fundamental axiom of metaphysics is but the consequence of a law of thought, mathematical in its form.
415. oldal - I was sent to jail two months, when a boy, for stealing a loaf of bread, and no one cared for me. I walked to the seaports, but in vain. I tramped, sore-footed, thousands of miles, when I was a lad, to get honest employment ; but it did not answer.
344. oldal - ... at his command :— The portion of the tube to which the chief part of the sublimate is attached is to be cut off by a triangular file, and dropped into a test-tube containing some tartaric acid dissolved in water. This being warmed or gently boiled, a part at least of the sublimate will be dissolved. Some...
85. oldal - ... planet, the late discoveries in Canada have at least demonstrated that certain theories founded in Europe on mere negative evidence were altogether delusive. In the course of a geological survey carried on under the able direction of Sir 'William E. Logan, it has been shown that northward of the River St. Lawrence there is a vast series of stratified and crystalline rocks of gneiss, mica-schist, quartzite, and limestone, about 40,000 feet in thickness, which have been called Laurentian. They...
342. oldal - The test-substance, in powder, must first be roasted on charcoal, or, better, on a fragment of porcelain, in order to drive off the sulphur. A small portion of the roasted ore is then to be fused on platinum wire with phosphor-salt ; and some bisulphate of potash is to be added to the glass (without this being removed from the wire) in two or three successive portions, or until the glass becomes more or less saturated. This effected, the bead is to be shaken off the platinum loop into a small capsule,...
40. oldal - Professor of Comparative Anatomy and Physiology to the Royal College of Surgeons of England.
163. oldal - To what final conclusions are we then led respecting the nature and extent of the scholastic logic? I think to the following : that it is not a science, but a collection of scientific truths, too incomplete to form a system of themselves, and not sufficiently fundamental to serve as the foundation upon which a perfect system may rest.
259. oldal - Through its deep channel must pass the agricultural productions of the vast lake region. The commercial spirit of the age forbids that international jealousy should interfere with great natural thoroughfares, and the governments of Great Britain and the United States will appreciate this spirit and cheerfully yield to its influence. The great avenue to the Atlantic through the St.