Lectures on Metaphysics and Logic: Lectures on logic, volume 2W. Blackwood and sons, 1866 |
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according affirmative afford animal applied Aristotle attribute called cause character cognitions common compared competent conclusion consequently considered constitute contained conversion definition determined division doctrine enouncement equally error example exclusively existence experience express extension extreme fact Faculty false Figure formal former genus given homo Hypothetical immediate individual Induction inference judgment kinds knowledge language latter laws least LECT less Logic logicians Logik major manifest mean mediate middle term mind minor moods nature necessary negative notion object observation omnis once opinions opposite particular philosophy position possible predicate premises present principle Prior probation proposition prove quantity question reason reference regard relation rule sense simple species stand supposed syllogism taken term testimony things third thought tion true truth universal whole witness
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Página 92 - Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.
Página 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...
Página 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.
Página 405 - A, B, C; A, C, B; B, A, C; B, C, A; C, A, B; C, B, A.
Página 63 - ... adaequatio intellectus et rei, secundum quod intellectus dicit esse quod est, vel non esse quod non est...
Página 62 - differ not only in degree but in kind. Knowledge is a " certainty founded upon insight; Belief is a certainty
Página 70 - Knowledge and Belief differ not only in degree but in kind. Knowledge is a certainty founded upon insight; Belief is a certainty founded upon feeling. The one is perspicuous and objective; the other is obscure and subjective. Each, however, supposes the other: and an assurance is said to be a knowledge or a belief, according as the one element or the other preponderates.
Página 223 - Some books are to 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.
Página 138 - In this department of knowledge there is chiefly demanded a patient habit of attention to details, in order to detect phenomena ; and, these discovered, their generalization is usually so easy that there is little exercise afforded to the higher energies of judgment and reasoning. It was Bacon's boast that induction as applied to nature would equalize all talents, level the aristocracy of genius, accomplish marvels by co-operation and method, and leave little to be done by the force of individual...
Página 252 - 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, not only of the...