The Principles of Psychology: Special analysis. General analysis. CorollariesWilliams and Norgate, 1872 |
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Página 5
... pass over until subsequent chapters give the key to it . Should some of the matters discussed seem to him unimportant , perhaps he will suspend his judgment until their bearing on the doc- trine at large becomes visible . And if he ...
... pass over until subsequent chapters give the key to it . Should some of the matters discussed seem to him unimportant , perhaps he will suspend his judgment until their bearing on the doc- trine at large becomes visible . And if he ...
Página 16
... passing to the axiom itself , we have now to inquire by what mental act it is known that relations which are equal to the same relations are equal to each other . We have seen that this truth is not demonstrable , but can be reached ...
... passing to the axiom itself , we have now to inquire by what mental act it is known that relations which are equal to the same relations are equal to each other . We have seen that this truth is not demonstrable , but can be reached ...
Página 19
... pass through the point of contact , " is one with which such an axiom can have no concern ; and the same is manifestly the case with most geometrical truths . Some more general cognition , then , has to be found . Guidance in the search ...
... pass through the point of contact , " is one with which such an axiom can have no concern ; and the same is manifestly the case with most geometrical truths . Some more general cognition , then , has to be found . Guidance in the search ...
Página 21
... pass from the special truth to the general truth by an intuition of the equality of two relations ; but a like intuition constitutes each of the steps by which the special truth is reached . In the demonstration of such special truth ...
... pass from the special truth to the general truth by an intuition of the equality of two relations ; but a like intuition constitutes each of the steps by which the special truth is reached . In the demonstration of such special truth ...
Página 47
... pass , by a similar duplication , to the still more complex case in which three relations are involved . This brings us to the axiom- " Relations that are equal to the same relation , are equal to each other ; " formulated , as we ...
... pass , by a similar duplication , to the still more complex case in which three relations are involved . This brings us to the axiom- " Relations that are equal to the same relation , are equal to each other ; " formulated , as we ...
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Términos y frases comunes
accompanying action æsthetic antecedent Anti-Realistic argument arise asserted attri attributes axiom become before-known body cause chapter classification coexistent positions cognition colour common complex conceived conception conclusion connatural connexions considered correlative definite degree distinguished elements emotion equal established excited existence experiences express fact faint feeling further greater habitually Hence ideas implies impressions inconceivable inference intuition involved kind known laws of thought less magnitudes manifest means metaphysicians mind mode motion muscular tension nature nervous ness nexions object Objective Science observe pain particular perceived perception phenomena pleasure possible predicated premiss present produced proposition reached Realism recognized rela relation of coexistence relation of ideas representation represented resistance respect retina riences sciousness sensations sentiments sequence sequent similarly simultaneous Sir William Hamilton sound successive suppose syllogism symbols sympathy tactual things thought tion truth unlike visual visual perception vivid aggregate word
Pasajes populares
Página 57 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Página 334 - ALL the objects of human reason or enquiry may naturally be divided into two kinds, to wit. Relations of Ideas, and Matters of Fact. Of the first kind are the sciences of Geometry, Algebra, and Arithmetic; and in short, every affirmation which is either intuitively or demonstratively certain.
Página 334 - The contrary of every matter of fact is still possible; because it can never imply a contradiction, and is conceived by the mind with the same facility and distinctness, as if ever so conformable to reality. That the sun will not rise to-morrow is no less intelligible a proposition, and implies no more contradiction than the affirmation, that it will rise. We should in vain, therefore, attempt to demonstrate its falsehood. Were it demonstratively false, it would imply a contradiction, and could never...
Página 334 - Matters of fact, which are the second objects of human reason, are not ascertained in the same manner; nor is our evidence of their truth, however great, of a like nature with the foregoing. The contrary of every matter of fact is still possible; because it can never imply a contradiction, and is conceived by the mind with the same facility and distinctness, as if ever so conformable to reality.
Página 340 - When we entertain, therefore, any suspicion that a philosophical term is employed without any meaning or idea (as is but too frequent), we need but enquire, from what impression is that supposed idea derived? And if it be impossible to assign any, this will serve to confirm our suspicion.
Página 20 - IF a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles.
Página 320 - Here, therefore, we may divide all the perceptions of the mind into two classes or species, which are distinguished by their different degrees of force and vivacity. The less forcible and lively are commonly denominated THOUGHTS or IDEAS.
Página 315 - I can imagine a man with two heads, or the upper parts of a man joined to the body of a horse. I can consider the hand, the eye, the nose, each by itself abstracted or separated from the rest of the body. But then, whatever hand or eye I imagine, it must have some particular shape and colour.
Página 329 - Nor consequently of the greatest heat perceived by sense, since you acknowledge this to be no small pain?
Página 339 - Propositions of this kind are discoverable by the mere operation of thought, without dependence on what is anywhere existent in the universe.