Elements of Logick; Or, A Summary of the General Principles and Different Modes of ReasoningPhinney & Company, 1854 - 178 σελίδες |
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Σελίδα 27
... happened , or when we were informed of it ; the persons , who were with us ; and the peculiar state of our feelings at the time . The objects we meet on a road , that we have formerly travelled , successively remind us of the subjects ...
... happened , or when we were informed of it ; the persons , who were with us ; and the peculiar state of our feelings at the time . The objects we meet on a road , that we have formerly travelled , successively remind us of the subjects ...
Σελίδα 76
... happen in future , as we have observed them to happen in time past . We can have no proof of a permanent connexion between any events , or between any two qual ities either of body or mind . The only reasor for supposing such a ...
... happen in future , as we have observed them to happen in time past . We can have no proof of a permanent connexion between any events , or between any two qual ities either of body or mind . The only reasor for supposing such a ...
Σελίδα 79
... which a reader naturally employs for deci- " phering the meaning of an unknown word , in " a foreign language , when he happens not to " have a dictionary at hand . The first sen- ( L " tence , where the word occurs , INDUCTION . 79.
... which a reader naturally employs for deci- " phering the meaning of an unknown word , in " a foreign language , when he happens not to " have a dictionary at hand . The first sen- ( L " tence , where the word occurs , INDUCTION . 79.
Σελίδα 82
... happen to attend a medicine in a single instance , furnishes but a slight presumption with regard to its general operation on the human body . 102. When our experience has not been uniform , the conclusions we make will fall short of ...
... happen to attend a medicine in a single instance , furnishes but a slight presumption with regard to its general operation on the human body . 102. When our experience has not been uniform , the conclusions we make will fall short of ...
Σελίδα 97
... happened in re- mote antiquity , or in fabulous ages . General notoriety or universal belief , with regard to such ... happen ' not within the notice of any one , can be judged of only by a train of circumstances ; and this evidence ...
... happened in re- mote antiquity , or in fabulous ages . General notoriety or universal belief , with regard to such ... happen ' not within the notice of any one , can be judged of only by a train of circumstances ; and this evidence ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
admitted affirmative animal appears applied argument asserted association attention attribute bird body called cause chances CHAPTER circumstances common comparing complete compound conclusion consciousness consequent considered consists contains conversion definition demonstration denominated denote depend distinct distinguished effects Elements employed equal Essay evidence example existence experience expressed extension fact genus give given ground happen human ideas important improve includes independent individual induction jects judgment kinds knowledge known language laws lead less Logick major manner meaning method middle term mind minor modes moral nature necessary negative objects observation operations particular perception persons Philosophy powers preceding predicate premise present principles probability proceed produced proof properties proposition prove qualities question reasoning reference relation respect rules sect sense separately simple sometimes species successively syllogism taken term testimony things third thought tion true truth universal usually whole witness
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.