Observations on the Nature of Demonstrative Evidence: With an Explanation of Certain Difficulties Occurring in the Elements of Geometry, and Reflections on LanguageJ. Johnson, 1793 - 172 σελίδες |
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Σελίδα v
... concerning mathematical reafoning . " It is fome- " what remarkable , " fays he , farcastically glancing at the attention paid to the phy- fical fciences , " amid the prevalence of fuch notions , that there fhould still re- " main two ...
... concerning mathematical reafoning . " It is fome- " what remarkable , " fays he , farcastically glancing at the attention paid to the phy- fical fciences , " amid the prevalence of fuch notions , that there fhould still re- " main two ...
Σελίδα 3
... concerning language . Hence as he did not throw light enough upon this important fubject to moleft the grammarians in their operations , they still worked on in the true spirit of their brethren , the schoolmen ; and by their ...
... concerning language . Hence as he did not throw light enough upon this important fubject to moleft the grammarians in their operations , they still worked on in the true spirit of their brethren , the schoolmen ; and by their ...
Σελίδα 18
... concerning pro- portion , have any thing obfcure or doubt- ful , when properly confidered . Lastly , to take off that glofs of novelty , which fo much fcandalizes mankind , when truth appears before their eyes for the first time , I ...
... concerning pro- portion , have any thing obfcure or doubt- ful , when properly confidered . Lastly , to take off that glofs of novelty , which fo much fcandalizes mankind , when truth appears before their eyes for the first time , I ...
Σελίδα 47
... will make it appear , why fo many different facts have as been fuggefted the foundation of pro- pofitions concerning parallel lines . We do not not ufually in the course of life ; treasure up MATHEMATICAL EVIDENCE . 47.
... will make it appear , why fo many different facts have as been fuggefted the foundation of pro- pofitions concerning parallel lines . We do not not ufually in the course of life ; treasure up MATHEMATICAL EVIDENCE . 47.
Σελίδα 48
... us . And the reasoning concerning parallel lines , though neither beginning in ideas fo fimple or fo familiar , will never- thelefs I theless prove equally conclufive with the reasoning that has gone 48 OBSERVATIONS ON.
... us . And the reasoning concerning parallel lines , though neither beginning in ideas fo fimple or fo familiar , will never- thelefs I theless prove equally conclufive with the reasoning that has gone 48 OBSERVATIONS ON.
Άλλες εκδόσεις - Προβολή όλων
Observations on the Nature of Demonstrative Evidence: With an Explanation of ... Thomas Beddoes Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Observations on the Nature of Demonstrative Evidence: With an Explanation of ... Thomas Beddoes Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
abſtract againſt agreement or difagreement alfo alſo angles Ariſtotle axiom becauſe befides cafe caufe cauſe cife compariſon complex term confideration definition demonſtration derived diftinct diſcovery diſtance equal eſtabliſhed Euclid evidence exiſt experiments exprefs faid fame fatisfied fays fcience fecond feems fenfes ferve fhall fhew fhewn fide fignification fimple fince firft firſt fome fomething ftill ftraight lines fubject fuch fufficient fuppofe fyftem geometry Greek language guage himſelf ideas impoffible inftances interfections intuitive knowledge itſelf juft juſt knowledge leaſt lefs Lennep leſs Lord Monboddo mathematical meaſure mind miſtake moſt muft muſt neceffary neceffity noun obfervation object occafion paffage parallel lines perceive perception perfon philofophy phyfical Plato poffible preſent pronouns propofition purpoſe reaſoning refult reſpect ſay Scheid ſcholars ſeem ſenſe ſhall ſhould ſpeech ſtate ſtill ſtudy ſuch ſuppoſe ſyſtem thefe themſelves theſe thing thofe THOMAS BEDDOES thoſe tion triangle truth underſtanding univerfality uſe Valckenaer verb verités whoſe words
Δημοφιλή αποσπάσματα
Σελίδα 168 - All, and the feweft ideas more than thofe we would communicate : and then by the help of the Prepofition, we either make up the deficiency in the one cafe, or retrench the fuperfluity in the other. For inftance, i. " A Houfe WITH a Party-wall? z. " A Houfe WITHOUT a roof" In the firft inftance, the complex term is deficient : The Prepofition directs to add what is wanting.
Σελίδα 35 - 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.
Σελίδα 66 - ... often so late before some unusual qualities come in the way, that there are few men that cannot recollect the beginning of their acquaintance with them: and if it were worth while...
Σελίδα 82 - ... and repugnancy, of any of our ideas. In this alone it consists. Where this perception is, there is knowledge ; and where it is not, there, though we may fancy, guess, or believe, yet we always come short of knowledge. For, when we know that white is not black, what do we else but perceive that these two ideas do not agree!
Σελίδα 37 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 85 - ... by an immediate view and comparing them do it: because the three angles of a triangle cannot be brought at once and be compared with any one or two angles; and so of this the mind has no immediate, no intuitive knowledge. In this case the mind is fain to find out some other angles, to which the three angles of a triangle have an equality; and, finding those equal to two right ones, comes to know their equality to two right ones.
Σελίδα 167 - To supply, therefore, the place of the complex terms which are wanting in a language, is the preposition employed...
Σελίδα 139 - That a fyftem of etymology was to be formed, by which the whole language was to be derived from certain primitive founds, or radical words. Then cafes, genders, and numbers, were to be invented ; which anfwered a double purpofe, both of expreffing different relations and other circumftances of things, and of connecting words together in fyntax. Then tenfes and moods of verbs were to be contrived, by which the circumftance of time, and the affections or difpofitions of the human mind with refpect:...
Σελίδα 82 - I mean to assert a truth which is as independent of my constitution, as the equality of the three angles of a triangle to two right angles...
Σελίδα 52 - If a ftraight line meets two ftraight lines, fo as to make the " two interior angles on the fame fide of it taken together lefs