History of Scientific Ideas: Being the First Part of The Philosophy of the Inductive Sciences, Հատոր 1J. W. Parker and son, 1858 - 4 էջ |
From inside the book
Արդյունքներ 40–ի 6-ից 10-ը:
Էջ 48
... separate our Ideas from the percep- tion of Objects . We cannot say of any Ideas , as of the Idea of space , or time , or number , that they are absolutely and ex- clusively Ideas . We cannot conceive what space , or time , or number ...
... separate our Ideas from the percep- tion of Objects . We cannot say of any Ideas , as of the Idea of space , or time , or number , that they are absolutely and ex- clusively Ideas . We cannot conceive what space , or time , or number ...
Էջ 49
... separately . Theories become Facts , by becoming certain and fami- liar : and thus , as our knowledge becomes more sure and more extensive , we are constantly transferring to the class of facts , opinions which were at first regarded as ...
... separately . Theories become Facts , by becoming certain and fami- liar : and thus , as our knowledge becomes more sure and more extensive , we are constantly transferring to the class of facts , opinions which were at first regarded as ...
Էջ 54
... separate perceptions . We have also shown that our conceptions , thus verified by facts , may themselves be united and connected by a new bond of the same nature ; and that man may thus have to pursue his way from truth to truth through ...
... separate perceptions . We have also shown that our conceptions , thus verified by facts , may themselves be united and connected by a new bond of the same nature ; and that man may thus have to pursue his way from truth to truth through ...
Էջ 61
... separate the parallelograms into parts , we have to conceive one triangle larger than another , both having all their parts equal ; which we cannot conceive at all , if we conceive the triangles distinctly . We make this impossibility ...
... separate the parallelograms into parts , we have to conceive one triangle larger than another , both having all their parts equal ; which we cannot conceive at all , if we conceive the triangles distinctly . We make this impossibility ...
Էջ 77
... separate and independent origin , it is important for us to examine their nature and proper- ties , as they exist in themselves ; and this it will be our business to do through a portion of the following pages . But it may be proper ...
... separate and independent origin , it is important for us to examine their nature and proper- ties , as they exist in themselves ; and this it will be our business to do through a portion of the following pages . But it may be proper ...
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Այլ խմբագրություններ - View all
History of Scientific Ideas: Being the First Part of The Philosophy ..., Հատոր 1 William Whewell Ամբողջությամբ դիտվող - 1858 |
History of Scientific Ideas: Being the First Part of The Philosophy ..., Հատոր 1 William Whewell Ամբողջությամբ դիտվող - 1858 |
History of Scientific Ideas: Being the First Part of The Philosophy ..., Հատոր 1 William Whewell Ամբողջությամբ դիտվող - 1858 |
Common terms and phrases
action and reaction already antithesis appears apply apprehended assertion assumed astronomy Axioms of Geometry body causation cause and effect center of gravity cerning conceive concerning connexion considered deflexion demonstration depend distinct doctrine employed equal equilibrium evidence example exerted existence express external facts faculties fluid Fundamental Ideas Galileo geometry human knowledge Idea of Cause idea of space implies inclined plane Inductive Sciences instance involve kind law of motion manner mathematical mathematicians matter maxim means measure mechanical science mind mode muscular nature necessarily necessary truths necessity nexion objects observation obtained parallelogram of forces perceive perception Philosophy plane portion pressure principles produced progress proof proposition proved reasoning reference relations of space remark resistance result retina rience science of Mechanics sect seen sensations sense solid speculations straight lines suppose term Theory things Third Law thought tion true uniform velocity weight
Սիրված հատվածներ
Էջ 292 - Secondly, such qualities which in truth are nothing in the objects themselves, but powers to produce various sensations in us by their primary qualities, ie by the bulk, figure, texture, and motion of their insensible parts, as colours, sounds, tastes, &c.
Էջ 55 - Words convey the mental treasures of one period to the generations that follow ; and laden with this, their precious freight, they sail safely across gulfs of time in which empires have suffered shipwreck, and the languages of common life have sunk into oblivion.
Էջ 34 - It being that term which, I think, serves best to stand for whatsoever is the object of the understanding when a man thinks, I have used it to express whatever is meant by phantasm, notion, species, or whatever it is which the mind can be employed about in thinking; and I could not avoid frequently using it.
Էջ 292 - Qualities thus considered in bodies are, first, such as are utterly inseparable from the body, in what estate soever it be ; such as in all the alterations and changes it suffers, all the force can be used upon it, it constantly keeps; and such as sense constantly finds in every particle of matter which has bulk enough to be perceived, and the mind finds inseparable from every particle of matter, though less than to make itself singly be perceived by our senses...
Էջ 60 - If any one does not clearly comprehend this distinction of necessary and contingent truths, he will not be able to go along with us in our researches into the foundations of human knowledge; nor, indeed, to pursue with success any speculation on the subject.'^ In the following passage we are told what the distinction is, the non-recognition of which incurs this denunciation.
Էջ 150 - The axiom just noted that what is true up to the limit is true at the limit...
Էջ 25 - Parallelograms upon the same base and between the same parallels, are equal to one another.
Էջ 285 - ... of the greatest. When he counts his little wealth, he finds he has in his hands coins which bear the image and superscription of ancient and modern intellectual dynasties, and that in virtue of this possession acquisitions are in his power, solid knowledge within his reach, which none could ever have attained to if it were not that the gold of truth once dug out of the mine circulates more and more widely among mankind.
Էջ 155 - The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw.
Էջ 273 - You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause of gravity is what I do not pretend to know, and therefore would take more time to consider of it.