Elements of Logick; Or, A Summary of the General Principles and Different Modes of ReasoningPhinney & Company, 1854 - 178 σελίδες |
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Σελίδα 46
... ject , means only a place of residence ; but as predicate , it denotes that it is an agreeable residence . Sometimes the terms are different , but express the same idea . Thus , three times three are nine ; twelve is the fifth part of ...
... ject , means only a place of residence ; but as predicate , it denotes that it is an agreeable residence . Sometimes the terms are different , but express the same idea . Thus , three times three are nine ; twelve is the fifth part of ...
Σελίδα 47
... ject and predicate are composed of simple terms . [ See No. 27. ] As , Time is precious . Virtue will be rewarded . A complex proposition has one or both of its wrms complex . They are formed in different ways . A proposition is ...
... ject and predicate are composed of simple terms . [ See No. 27. ] As , Time is precious . Virtue will be rewarded . A complex proposition has one or both of its wrms complex . They are formed in different ways . A proposition is ...
Σελίδα 50
... ject are asserted to agree . As , Clovis was the founder of the French monarchy . In negative propositions , the predicate is de- clared to be incompatible with the subject . This is commonly done by placing the negative par- ticle not ...
... ject are asserted to agree . As , Clovis was the founder of the French monarchy . In negative propositions , the predicate is de- clared to be incompatible with the subject . This is commonly done by placing the negative par- ticle not ...
Σελίδα 53
... ject of a proposition , renders it singular . As , That general was defeated . · The subject of a singular proposition , as it represents only an individual , is necessarily taken in its whole extension ; for which reason singular ...
... ject of a proposition , renders it singular . As , That general was defeated . · The subject of a singular proposition , as it represents only an individual , is necessarily taken in its whole extension ; for which reason singular ...
Σελίδα 57
... ject and predicate , being of equal extent , mu- tually exclude each other ; and as these terms * This is always the case , except in those propositions , whose pre- dicate is a complete definition of the subject . In such propositions ...
... ject and predicate , being of equal extent , mu- tually exclude each other ; and as these terms * This is always the case , except in those propositions , whose pre- dicate is a complete definition of the subject . In such propositions ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.