Sketches of the History of Man: In Four Volumes, Volumen3

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United Company of Booksellers, 1775
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Página 137 - Who but must laugh if such a man there be ? Who would not weep if Atticus were he?
Página 138 - And this principally raises my esteem of these fables, which I receive, not as the product of the age, or invention of the poets, but as sacred relics, gentle whispers, and the breath of better times, that from the traditions of more ancient nations came, at length, into the flutes and trumpets of the Greeks.
Página 190 - Burgerfdick, after enumerating five claffes of modal fyllogifms, obferves, that they require many rules and cautions, which Ariftotle hath handled diligently ; but that as the ufe of them is not great and their rules difficult, he thinks it not worth while to enter into the difcuflion of them ; recommending to thofe who would underftand them, the moft learned paraphrafe of Joannes Monlorius upon the firft book of the Firft Analytics.
Página 193 - The form lies in the neceffary connection between the premifes and the conclufion ; and where fuch a connection is wanting, they are faid to be informal, or vicious in point of form. But where there is no fault in the form, there may be in the matter ; that is, in the propofitions of which they are compofed, which may be true or falfe, probable or improbable.
Página 58 - But of ell, the moft deplorable effect of a great city, is the preventing of population, by fhortening the lives of its inhabitants. Does a capital fwell in proportion to the numbers that are drained from the country? Far from it. The air of a populous city is infected by multitudes crouded together; and people there feldom make out the ufual time of life.
Página 205 - ... definitions, divifion, or method. To aid our rational powers, in avoiding thefe faults and in attaining the oppofite excellencies, is the end of logic ; and whatever there is in it that has no tendency to promote this end, ought to be thrown out. The rules of logic being of a very...
Página 209 - ... that while he was certain that he doubted, and reafoned, he was uncertain whether two and three made five, and whether he was dreaming or awake. It is more ftrange, that fo acute a reafoner fhould not perceive, that his whole train of reafoning to prove that his faculties were not fallacious, was mere...
Página 186 - By obfervation, and experiments properly conducted, the ftock of human knowledge may be enlarged without end ; but the power of reafoning alone, applied with vigour through a long life, would only carry a man round, like a horfe in a mill, who labours hard, but makes no progrefs. There is indeed an exception to this obfervation in the mathematical fciences.
Página 199 - Its profefled end is, to teach men to think, to judge, and to reafon, with precifion and accuracy. No man will fay that this is a matter of no importance ; the only thing therefore that admits of doubt, is, whether it can be taught. To refolve this doubt, it may be obferved, that our •rational faculty is the gift of God, given to men in very different meafure.
Página 173 - To know all the poflible modes of fyllogifm, we muft find how many different combinations may be made of thre"e out of the four vowels ; and from the art of combination the number is found to be fixtyfour.

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