The Logic of Sir William Hamilton, Bart (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1865 Excerpt: ... 3. Hypothetical. 3.--Of A Hypothetical Syllogism. Sumption If Logic does not profess to be an instrument of _ invention, the reproach that it discovers nothing is unfounded; Snbsumption But Logic does not profess to be aninstrumenl of invention; Conclusion Therefore, the reproach that it discovers nothing is unfounded. 4. Ilypothelico-dis-4.--Of The Dilemma Or Hypothetico-disjunctive. Junctive Syllogism. Sumption If man were suited to live out of society, he would either be a god or a least; Subsumption But man is neither a god nor a beast; Conclusion Therefore, he is not suited to live out of society I now go on to the special consideration of the first of these classes of Syllogism--viz., the Syllogism i. simple Syllogism. w h h b denominated Categorical. The Categorical. _.. And in regard to the meaning and history of the term categorical, it will not be necessary to say anything in addition to what I have already stated in speaking of judgments. As used originally by Aristotle, the term categorical meant merely affirmative, and was opposed to negative. By Theophrastus it was employed in the sense The term Categorical., -.-, of absolute, simple, direct, and as opposed to conditional; and in this signification it has continued to be employed by all subsequent logicians, without their having been aware that Aristotle never employed it in the meaning in which alone they used it. LVII. A Categorical Syllogism is a reasoning whose form is determined by the laws of Identity Lvii. The categorical d Contradiction, and whose sumption is Syllogism--what. '., _J thus a categorical proposition. In a Categorical Syllogism there arc three principal notions, holding to each other the relation of whole and part; and these are so combined together, that they constitute ...