Elements of the Philosophy of the Human Mind, Volume 2A. Strahan, and T. Cadell, 1814 - Logic |
From inside the book
Results 1-5 of 100
Page 25
... necessary for me to remark , with respect to the foregoing passage from D'Alembert , that he limits the term en- tirely to an account of the origin of our ideas . " The generation " of our ideas ( he tells us ) belongs to metaphysics ...
... necessary for me to remark , with respect to the foregoing passage from D'Alembert , that he limits the term en- tirely to an account of the origin of our ideas . " The generation " of our ideas ( he tells us ) belongs to metaphysics ...
Page 33
... necessary fur- " ther to illustrate this subject . It might be thought that , if ❝ axioms were propositions perfectly identical , it would be im- possible to advance a step by their means , beyond the simple " ideas first perceived by ...
... necessary fur- " ther to illustrate this subject . It might be thought that , if ❝ axioms were propositions perfectly identical , it would be im- possible to advance a step by their means , beyond the simple " ideas first perceived by ...
Page 37
... necessary , must be a necessary " truth . Thus , as the axioms in mathematics are all neces- 46 sary truths , so are all the conclusions drawn from them ; that " is , the whole body of that science † . " وو * Essays on Intell , Powers ...
... necessary , must be a necessary " truth . Thus , as the axioms in mathematics are all neces- 46 sary truths , so are all the conclusions drawn from them ; that " is , the whole body of that science † . " وو * Essays on Intell , Powers ...
Page 39
... necessary for me to remark here , that when I speak of mathematical axioms , I have in view only such as are of the same description with the first nine of those which are prefixed to the Elements of Euclid ; for , in that list , it is ...
... necessary for me to remark here , that when I speak of mathematical axioms , I have in view only such as are of the same description with the first nine of those which are prefixed to the Elements of Euclid ; for , in that list , it is ...
Page 48
... necessary to connect all the steps of a demonstration . ' " From this , I think , it necessarily follows , that in every " branch of knowledge , we must make use of truths that are " intuitively known , in order to deduce from them such ...
... necessary to connect all the steps of a demonstration . ' " From this , I think , it necessarily follows , that in every " branch of knowledge , we must make use of truths that are " intuitively known , in order to deduce from them such ...
Other editions - View all
Common terms and phrases
abstract analogy analysis angles annexed appear applied argument Aristotelian logic Aristotle Aristotle's attention axioms Bacon Chap circumstances common comprehend conceive concerning conclusions Condillac conjecture connected consequence considered deduced definition demonstration discovery doctrine Dr Gillies Dr Reid employed equal Essay Euclid evidence existence experience expressed fact faculties farther final causes foregoing former geometry gism hypothesis idea illustration induction inference inquiries instance intellectual intuition judgment knowledge language laws Leibnitz logical logicians Lord Monboddo mathematical mathematicians maxims means Mechanical Philosophy ment metaphysical moral natural philosophy nature necessary neral Newton notions object observation occasion opinion Organon particular passage perceive phenomena philosophical phraseology physical precision present principles proof proposition quĉ question quod reasoning remark respect says seems sense shew sophisms species speculations supposed supposition syllogism syllogistic theorem theory thing tion triangle truth understanding universe University of Dublin words writers
Popular passages
Page 17 - Tis with our judgments as our watches, none Go just alike, yet each believes his own.
Page 7 - There wanted yet the master work, the end Of all yet done ; a creature who, not prone And brute as other creatures, but endued With sanctity of reason, might erect His stature, and upright with front serene Govern the rest, self-knowing, and from thence 510 Magnanimous to correspond with Heaven...
Page 95 - For if we will reflect on our own ways of thinking, we shall find, that sometimes the mind perceives the agreement or disagreement of two ideas immediately by themselves, without the intervention of any other : and this I think we may call intuitive knowledge.
Page 73 - Here then I find myself absolutely and necessarily determined to live and talk and act like other people in the common affairs of life.
Page 395 - small particles of bodies certain powers, virtues, or forces, by which they act at a " distance, not only upon the rays of light for reflecting, refracting, and inflecting them, " but also upon one another, for producing a great part of the phenomena of nature?
Page 462 - Nature had not placed so many valves without design ; and no design seemed more probable, than that, since the blood could not well, because of the interposing valves, be sent by the veins to the limbs, it should be sent through the arteries, and return through the veins, whose valves did not oppose its course that way."* 284.
Page 367 - As in mathematics, so in natural philosophy, the investigation of difficult things by the method of analysis, ought ever to precede the method of composition. This analysis consists in making experiments and observations, and in drawing general conclusions from them by induction, and admitting of no objections against the conclusions, but such as are taken from experiments, or other certain truths.
Page 8 - Revelation is natural reason enlarged by a new set of discoveries communicated by God immediately, which reason vouches the truth of, by the testimony and proofs it gives, that they come from God. So that he that takes away reason, to make way for revelation, puts out the light of both, and does much the same, as if he would persuade a man to put out his eyes, the better to receive the remote light of an invisible star by a telescope.
Page 227 - He had another particularity, of which none of his friends ever ventured to ask an explanation. It appeared to me some superstitious habit which he had contracted early, and from which he had never called upon his reason to disentangle him. This was his anxious care to go out or in at a door or passage, by a certain number of steps from a certain point, or at least so...
Page 8 - Reason is natural revelation, whereby the eternal Father of light, and Fountain of all knowledge, communicates to mankind that portion of truth which he has laid within the reach of their natural faculties.