Lectures on Metaphysics and Logic: Logic

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Blackwood, 1860
 

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Pàgina 223 - Read not to contradict and confute, nor to believe and take for granted, nor to find talk and discourse, but to weigh and consider. Some books are to be tasted, others to be swallowed, and some few to be chewed and digested...
Pàgina 397 - A, B, C; A, C, B; B, A, C; B, C, A; C, A, B; C, B, A.
Pàgina 223 - Some books are to be tasted, others to be swallowed, and some few to be chewed and digested ; that is, some books are to be read only in parts ; others to be read, but not curiously ;' and some few to be read wholly, and with diligence and attention.
Pàgina 72 - ... It seems evident that men are carried by a natural instinct or prepossession to repose faith in their senses ; and that, without any reasoning, or even almost before the use of reason, we always suppose an external universe, which depends not on our perception, but would exist though we and every sensible creature were absent or annihilated. Even the animal creation are governed by a like opinion, and preserve this belief of external objects in all their thoughts, designs, and actions.
Pàgina 216 - All who would study with advantage, in any art whatsoever, ought to betake themselves to the reading of some sure and certain books oftentimes over ; for to read many books produceth confusion, rather than learning, like as those who dwell everywhere are not anywhere at home.
Pàgina 285 - What worst relation of subject and predicate, subsists between either of two terms and a common third term, with which one, at least, is positively related ; — that relation subsists between the two terms themselves...
Pàgina 206 - Through mutual intercourse and mutual aid Great deeds are done and great discoveries made ; The wise new wisdom on the wise bestow Whilst the lone thinker's thoughts come slight and slow." One purpose of this central building is to afford opportunities for professional intercourse. Here are rooms set apart for the library that will presently be collected; here the medical journals will be taken in ; here are the best appliances and instruments for the treatment of patients...
Pàgina 82 - we find hardly anything which does not change its character in changing its climate. Three degrees of an elevation of the pole reverses the whole of jurisprudence. A meridian is decisive of truth, and a few years of possession. Fundamental laws change. Right has its epochs. A pleasant justice which a river or a mountain limits. Truth, on this side the Pyrenees, error on the other...
Pàgina 62 - differ not only in degree but in kind. Knowledge is a " certainty founded upon insight; Belief is a certainty
Pàgina 250 - In the second place, the self-evident truth, — That we can only rationally deal with what we already understand, determines the simple logical postulate,' — To state explicitly what is thought implicitly. From the consistent application of this postulate, on which Logic ever insists, but which Logicians have never fairly obeyed, it follows : — that, logically, we ought to take into account the quantity, always understood in thought, but usually, and for manifest reasons, elided in its expression,...

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