The Elements of Logick ...R. and J. Dodsley at Tully's-Head in Pall-Mall, 1759 - 363 sider |
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abfolute afferted affirmed alfo alſo anſwering applied Aqua Regia arifing becauſe Cafe called ceptions Certainty cife Claffes Clafs complex Ideas Compofition comprehended Conceptions Conclufion Confequent Confideration confidered confifts conftitute Connection Copula deduced Defcription Definitions Demonftration denote difcern diftinct diftinctly diftinguiſhed diſcover Diſcovery Divifion eſtabliſhed evident Exercife exift Exiſtence exprefs faid fame fecond felf-evident felves feparately ferve feveral fhall Figure fimple Ideas fingle firft firſt fome Form ftand ftill fuch fufficient fuppofe furniſhed Genus Hence Impreffions infomuch inftance intuitive Inveſtigation itſelf Judgments juft Knowledge laft lefs Logicians Logick Manner means meaſure middle Term Mind moft moſt muft muſt Name Nature neceffarily neceffary neral Notions Number obferve Objects Order ourſelves particular Perceptions poffible pofitions Predicate prefent Premiffes Progrefs Propofition Reaſoning Relations reprefent Science Senfes ſeveral ſhall Species Subftance Subject Syllogifms thefe themſelves theſe Things thofe thoſe Thoughts tion Truth Underſtanding univerfal uſe View whofe Words
Populære avsnitt
Side 187 - ... they are equal to two right ones, and things equal to one and the fame thing are equal to one another.
Side 224 - I have mentioned mathematics as a way to settle in the mind a habit of reasoning closely and in train; not that I think it necessary that all men should be deep mathematicians, but that, having got the way of reasoning, which that study necessarily brings the mind to, they might be able to transfer it to other parts of knowledge, as they shall have occasion.
Side 219 - ... evident and known truths ; nothing is more apparent, than that the greater variety of conceptions we can call into view, the more likely we are to find some among them that will help us to the truths here required.
Side 146 - Thus, that the Whole is greater than any of its Parts, is an intuitive judgment ; nothing more being required to convince us of its truth, than an attention to the ideas of whole and part.
Side 178 - This world had a beginning ; the assertion is indeed equally true, but shines not forth with the same degree of evidence. We find great difficulty in conceiving how the world could be made out of nothing : and are not brought to a free and full consent, until by reasoning we arrive at a clear view of the absurdity involved in the contrary supposition.
Side 162 - Idea, being more or lefs fo, according as this may be extended tended to more or fewer Individuals. But it is further to be obferved of thefe general Terms, that they fometimes enter a Propofition in their full Latitude, as in the Example given above ; and fometimes appear with a Mark of Limitation. In this laft Cafe we are given to underftand, that the Predicate agrees not to the whole univerfal Idea, but only to a Part of it; as in the Propofition, Somc Men are -wife ; for here Wifdom is not affirmed...
Side 132 - Cmple perceptions that have already been formed into diftipft combinations, break it at once into its original principles, the number would be fo great as perfectly to confound the imagination, and overcome the utmoft reach and capacity of the mind.
Side 240 - The fyllogifm but juft mentioned, when reprefented according to this view, will run as follows : " If things equal to one and the farrie thing, are " equal to one another j thefe two triangles, each " equal to a fquare whofe fide is three inches, are " alfo equal between themfelves.
Side 218 - ... distant, require art and contrivance to bring them into view. The relations of the first kind, furnish us with intuitive and self-evident truths : those of the second are traced by reasoning, and a due application of intermediate ideas.
Side 159 - Negation muft eater it in fuch manner, as to deftroy this Union. In a word, then only are two Ideas disjoined in a Propofition, when the negative Particle may be fo referred to the Copula, as to break the Affirmation included in it, and undo that Connection it would otherwife eftablifh.