Elements of Logick; Or, A Summary of the General Principles and Different Modes of ReasoningPhinney & Company, 1854 - 178 σελίδες |
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Σελίδα 19
Levi Hedge. CHAPTER SECOND . ATTENTION . 9. Attention expresses the immediate direc tion of the mind to a subject . The distinctness of our notions , the correctness of our judg ments , and the improvement of all our intel- lectual ...
Levi Hedge. CHAPTER SECOND . ATTENTION . 9. Attention expresses the immediate direc tion of the mind to a subject . The distinctness of our notions , the correctness of our judg ments , and the improvement of all our intel- lectual ...
Σελίδα 20
... tion more perfectly . It is equally necessary in every operation of comparing , judging , and reasoning . Dr. Reid has remarked , “ that , if " there be any thing that can be called genius , แ Stewart , Elements of the Philosophy of the ...
... tion more perfectly . It is equally necessary in every operation of comparing , judging , and reasoning . Dr. Reid has remarked , “ that , if " there be any thing that can be called genius , แ Stewart , Elements of the Philosophy of the ...
Σελίδα 24
... tion in every act of classification , it may be performed on individuals , without referring them to any class . This has occasioned some * to suppose , that the formation of classes re- quired a distinct operation , which they called ...
... tion in every act of classification , it may be performed on individuals , without referring them to any class . This has occasioned some * to suppose , that the formation of classes re- quired a distinct operation , which they called ...
Σελίδα 48
... tion complex is by introducing the pronoun who , which , or that , for the purpose of explain- ing the subject or predicate . Thus , Cyrus , who founded the Persian empire , was the son of Cambyses . The words , introduced by the ...
... tion complex is by introducing the pronoun who , which , or that , for the purpose of explain- ing the subject or predicate . Thus , Cyrus , who founded the Persian empire , was the son of Cambyses . The words , introduced by the ...
Σελίδα 62
... tion involves a simple one , there will be the distinction of primary and incidental ; and the incidental proposition may be false , while the primary is true . But , in compound proposi- tions , there exists no distinction of primary ...
... tion involves a simple one , there will be the distinction of primary and incidental ; and the incidental proposition may be false , while the primary is true . But , in compound proposi- tions , there exists no distinction of primary ...
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abstrac abstract admitted affirmative proposition analogy analytical induction animal antecedent applied argument asserted attention attribute bird called cause chances CHAPTER circumstances clusions compound proposition conclusion connexion consciousness copula deduce definition degree demonstrative reasoning denominated denote DISJUNCTIVE SYLLOGISMS distinct distinguished Doctrine of Chances Elem employed enthymeme equal Euathlus existence expressed extension fact genus gism human ideas improvement individual induction Intel Intellectual Powers jects judgment kinds Kirwan knowledge language major premise major proposition major term ments middle term mind minor term modes of reasoning moral evidence moral reasoning nature objects observation operations particular affirmative perception persons Phil Philosophy principle of association probability proof prop properties prove regular syllogism Reid Richard Kirwan rules sect sense sophisms species specifick difference Stewart subject and predicate subject or predicate system of Logick testimony things tion universal affirmative universal negative universal proposition usually wholly witness words
Δημοφιλή αποσπάσματα
Σελίδα 70 - The first sentence where the word occurs, affords, it is probable, sufficient foundation for a vague conjecture concerning the notion annexed to it by the author; — some idea or other being necessarily substituted in its place, in order to make the passage at all intelligible. The next sentence where it is involved, renders this conjecture a little more definite; a third sentence contracts the field of doubt within still narrower limits; till, at length, a more extensive induction fixes completely...
Σελίδα 157 - Hence, the rule has found admission into almost all, if not into all, systems of jurisprudence, that, if the full and entire intention of the parties does not appear from the words of the contract, and, if it can be interpreted by any custom or usage of the place, where it is made, that course is to be adopted.
Σελίδα 100 - Upon this ground it is that I am bold to think, that morality is capable of demonstration, as well as mathematics ; since the precise real essence of the things moral words stand for may be perfectly known ; and so the congruity or incongruity of the things themselves be certainly discovered, in which consists perfect knowledge.
Σελίδα 100 - ... definition is the only way whereby the precise meaning of moral words can be known ; and yet a way whereby their meaning may be known certainly, and without leaving any room for any contest about it.
Σελίδα 3 - Logic instructs us in the right use of terms, and distinguishes their various kinds. It teaches the nature and varieties of propositions : explains their properties, modifications, and essential parts. It analyzes the structure of arguments, and shows how their truth may be discovered, or their fallacy detected. Lastly, it describes those methods of classification and arrangement, which will best enable us to retain and apply the knowledge which we have acquired.
Σελίδα 151 - The consequences of any doctrine are not to be changed on him who maintains it, unless he expressly avows them. If an absurd consequence be fairly deducible from any doctrine, it is rightly concluded that the doctrine itself is false; but it is not rightly concluded that he who advances it supports the absurd consequence.
Σελίδα 152 - As truth is the professed object of Controversy, whatever proofs may be advanced on either side should be examined with fairness and candor ; and any attempt to ensnare an adversary by the arts of sophistry, or to lessen the force of his reasoning by wit, cavilling, or ridicule, is a violation of the rules of honorable con
Σελίδα 133 - The mind is a thinking substance. A thinking substance is a spirit. A spirit has no composition of parts. That which has no composition of parts is indissoluble. That which is indissoluble is immortal . .•, The mind is immortal.