Lectures on the Principles of Demonstrative MathematicsA. and C. Black, 1843 - 147 páginas |
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Página 4
... notions which we are in the habit of regarding as so ob- vious from having imbibed them with our daily food , were involved in darkness . Modern writers have endea- voured to place themselves in the position of the ancients , and to ...
... notions which we are in the habit of regarding as so ob- vious from having imbibed them with our daily food , were involved in darkness . Modern writers have endea- voured to place themselves in the position of the ancients , and to ...
Página 5
... notions , derived , not from the principles of the science , but from the results . And when this is not the case ... notion of foretelling the effects of a combination of lenses or mir- rors which had never yet been placed together ...
... notions , derived , not from the principles of the science , but from the results . And when this is not the case ... notion of foretelling the effects of a combination of lenses or mir- rors which had never yet been placed together ...
Página 25
... notions of straight , triangular , congruous , and the like , cannot , in point of time , be " in the intellect before they are in the sense . " Cogitation is put into motion by impressions , although when at work it is quite unfettered ...
... notions of straight , triangular , congruous , and the like , cannot , in point of time , be " in the intellect before they are in the sense . " Cogitation is put into motion by impressions , although when at work it is quite unfettered ...
Página 28
... notion of forms with their se- condary and derived subservient place in receiving the con- sequences of our reasonings . Our conclusions and their application are very distinct things . And hence a di- vision of the mathematical ...
... notion of forms with their se- condary and derived subservient place in receiving the con- sequences of our reasonings . Our conclusions and their application are very distinct things . And hence a di- vision of the mathematical ...
Página 30
... 348 , et sq . Berigard Circulus , in Arist . § Proclus , Comm . in Euc . i . 6 , Kant , 1. 1. 2 . Anal . Post . c . ult . & c . de Animâ , iii . Barrow , Lect . v . and x . * a correct notion of it , when we exhibit 30 LECTURE II .
... 348 , et sq . Berigard Circulus , in Arist . § Proclus , Comm . in Euc . i . 6 , Kant , 1. 1. 2 . Anal . Post . c . ult . & c . de Animâ , iii . Barrow , Lect . v . and x . * a correct notion of it , when we exhibit 30 LECTURE II .
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Lectures on the Principles of Demonstrative Mathematics Philip Kelland Sin vista previa disponible - 2019 |
Términos y frases comunes
admit adopted affections algebra amongst ancients appears applied Apuleius Archimedes argument Aristotle arithmetical arithmetical derivation assume assumption axiom Barrow circle Clavius coincide comparison conceive conception conclusions congruity consequence defined Differential Calculus difficulty discovery doctrine Elements equal equation Euclid Euclid's definition evidence existence express extension fact figure finite former four magnitudes fourth geometry idea important Laërt latter Lect lecture lity Math mathematical method method of exhaustions metical mind multiple nature necessity notation notion objection operations parallels Peacock perty philosophers plane Plato Playfair ples Plutarch possess postulate present PRINCIPLES OF DEMONSTRATIVE Proclus Prop proportion proportionality proposition Pythagoras quantities ratio reason rectilinear reductio ad absurdum reference remark require right angles rule of signs senses simple Simson space square straight line symbols Thales theorem Theory of Equations thing Timæus tion tiple treatise triangle truth whilst writers
Pasajes populares
Página 64 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle; and the straight line which stands on the other is called a perpendicular to it.
Página 38 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 52 - Any two sides of a triangle are together greater than the third side.
Página 96 - ... of the second and fourth ; if the multiple of the first be less than that of the second, the multiple of the third is also less than that of the fourth: or, if the multiple of the first be equal to that of the second, the multiple of the third is also equal to that of the fourth...
Página 122 - Whatever form is algebraically equivalent to another when expressed in general symbols, must continue to be equivalent whatever those symbols denote.
Página 17 - It is certain that from its completeness, uniformity and faultlessness, from its arrangement and progressive character, and from the universal adoption of the completest and best line of argument, Euclid's " Elements " stand preeminently at the head of all human productions.
Página 38 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Página 67 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 88 - But when four magnitudes are proportionals, if the first be greater than the third, the second is greater than the fourth ; and if equal, equal; if less, less; (v.
Página 25 - That all our cognition," he says, " begins with experience, there is not any doubt ; for how otherwise should the faculty of cognition be awakened into exercise, if this did not occur through objects which affect our senses...