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" Euclid's, and show by construction that its truth was known to us ; to demonstrate, for example, that the angles at the base of an isosceles triangle are equal... "
Elementary Plane Geometry: Inductive and Deductive - Página 17
por Alfred Baker - 1903 - 144 páginas
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Elements of plane and spherical trigonometry

James Thomson - 1844 - 126 páginas
...From formulas (85) and (86), or those derived from them, it is easy to show, that B=A, when 6= a, or that the angles at the base of an isosceles triangle are equal; as, by taking a and b equal, the values of cos A and cos B would become equal. FORMULAS OF THE FOUR...
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The works of Thomas Reid, with selections from his unpublished letters ...

Thomas Reid - 1846
...immediately; and that three is the half of six. This immediate perception is immediate and intuitive judgment. That the angles at the base of an isosceles triangle are equal, I perceive by a process of reasoning, in which it will be acknowledged there is judgment. Another way...
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Michigan Homoeopathic Journal: John Ellis, M.D.; J.I ..., Volumen2,Temas1-7

1852
...is a fact which all future geometrical analysis can only confirm and illustrate, and thus the truth that " The angles at the base of an Isosceles triangle are equal " becomes a fundamental part of celestial dynamics, and the Eureka of Archimedes an essential portion...
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Essays on the Intellectual Powers of Man

Thomas Reid - 1850 - 462 páginas
...; and that three is the half of six. This immediate perception is immediate and intuitive judgment. That the angles at the base of an isosceles triangle are equal, I perceive by a process of reasoning, in which it will be acknowledged there is judgment. Another way...
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THEOLOGICAL INSTITUTES, Volumen2

Richard Watson - 1850
...without stating what it is fit for, — an absurdity as great, says the objector, as it would be to say that ' the angles at the base of an isosceles triangle are equal without adding to one another, or to any other angle.' Dr. Brown also, in arguing against this doctrine...
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The Theory of Reasoning

Samuel Bailey - 1851 - 207 páginas
...propositions, are subsequently employed as major premises. Such, for example, are the propositions that the angles at the base of an isosceles triangle are equal ; that the three angles of every triangle are together equal to two right angles ; and that all equilateral...
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Poems, Volumen1

Hartley Coleridge - 1851
...Though your brother's genius was all but catholic — I say all but ; for he could never demonstrate that the angles at the base of an isosceles triangle are equal — yet to me he generally showed the bright and sunny side of his nature ; and I need not tell you...
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The Scientific relations of homeopathy

H. L. Smith - 1851 - 30 páginas
...is a fact which all future geometrical analysis can only confirm and illustrate, and thus the truth that " The angles at the base of an Isosceles triangle are equal " becomes a fundamental part of celestial dynamics, and the Eureka of Archimedes an essential portion...
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The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1851
...shown that there is only one intelligible law, then that must be the actual law. Thus we may argue that the angles at the base of an isosceles triangle are equal (not because there is no reason why one should be greater than the other, but), because, if not, no...
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Scholarship examinations of 1846/47 (-1853/54).

Bengal council of educ - 1852
...sum of the angles of a spherical triangle is greater than two right angles, and less than six. Show that the angles at the base of an isosceles triangle are equal. (9.) Express the cosine of an angle of a spherical triangle in terms of the cosines and sines of the...
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