The Principles of Psychology, Volumen 2

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D. Appleton, 1883
 

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Página 22 - 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 342 - We should in vain, therefore, attempt to demonstrate its falsehood. Were it demonstratively false, it would imply a contradiction, and could never be distinctly conceived by the mind.
Página 342 - Propositions of this kind are discoverable by the mere operation of thought, without dependence on what is anywhere existent in the universe.
Página 328 - 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 60 - All men are mortal, Socrates is a man, therefore Socrates is mortal, the subject and predicate of the major premise are connotative terms, denoting objects and connoting attributes.
Página 438 - In the act of sensible perception, I am conscious of two things; — of myself as the perceiving subject, and of an external reality, in relation with my sense, as the object perceived. Of the existence of both these things I am convinced ; because I am conscious of knowing each of them, not mediately, in something else, as represented, but immediately in itself, as existing.
Página 321 - 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 46 - ABC be a triangle of which the side AC is greater than the side AB ; the angle ABC is also greater than the angle BCA.
Página 23 - CD rallel to CE, and BD falls upon them, the exterior angle ECD is equal to the interior and opposite angle ABC ; but the angle ACE was shown to be equal to the angle BAC ; therefore the whole exterior...
Página 26 - Any two sides of a triangle are together greater than the third side. Let ABC be a triangle ; any two sides of it together are greater than the third side, viz.

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