Categoria: Enéada-IV-5
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MacKenna: Tratado 29,7 (IV,5,7) — A luz morre?
7. Our investigation may be furthered by enquiring: Whether light finally perishes or simply returns to its source. If it be a thing requiring to be caught and kept, domiciled within a recipient, we might think of it finally passing out of existence: if it be an Act not flowing out and away – but…
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MacKenna: Tratado 29,6 (IV,5,6) — Há luz sem ar?
6. We return, then, to the question whether there could be light if there were no air, the sun illuminating corporeal surfaces across an intermediate void which, as things are, takes the light accidentally by the mere fact of being in the path. Supposing air to be the cause of the rest of things being…
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MacKenna: Tratado 29,5 (IV,5,5) — A Audição
5. But some doubt arises when we consider the phenomena of hearing. Perhaps we are to understand the process thus: the air is modified by the first movement; layer by layer it is successively acted upon by the object causing the sound: it finally impinges in that modified form upon the sense, the entire progression…
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MacKenna: Tratado 29,4 (IV,5,4) — A afecção de um intermediário não é a condição da vista (2)
4. But there is the question of the linked light that must relate the visual organ to its object. Now, firstly: since the intervening air is not necessary – unless in the purely accidental sense that air may be necessary to light – the light that acts as intermediate in vision will be unmodified: vision…
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MacKenna: Tratado 29,3 (IV,5,3) — A afecção de um intermediário não é a condição da vista
3. For the most convincing proof that vision does not depend upon the transmission of impressions of any kind made upon the air, we have only to consider that in the darkness of night we can see a fire and the stars and their very shapes. No one will pretend that these forms are reproduced…
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MacKenna: Tratado 29,2 (IV,5,2) — Diferentes teses sobre a visão
2. If sight depends upon the linking of the light of vision with the light leading progressively to the illumined object, then, by the very hypothesis, one intervening substance, the light, is indispensable: but if the illuminated body, which is the object of vision, serves as an agent operating certain changes, some such change might…
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MacKenna: Tratado 29,1 (IV,5,1) — Intermediário entre o órgão e o objeto sensível
1. We undertook to discuss the question whether sight is possible in the absence of any intervening medium, such as air or some other form of what is known as transparent body: this is the time and place. It has been explained that seeing and all sense-perception can occur only through the medium of some…
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Enéada IV, 5, 8 — Luz e Corpo Exterior
8. Si existiese un ojo exterior al cielo y que mirase desde él sin obstáculo alguno que se lo impidiese, ¿podría contemplar todo aquello que no simpatiza consigo, siendo así que la simpatía se justifica por la misma naturaleza del animal universal? Si la simpatía descansa en el hecho de que quienes sienten y lo…
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Enéada IV, 5, 7 — A luz morre?
7. Pero, ¿acaso se pierde la luz o vuelve a su lugar de procedencia? Tal vez saquemos algo en limpio de aquí para lo que antes se ha dicho. Pues si la luz se introdujese en el objeto y éste, por tanto, llegase a poseerla en propiedad, podría afirmarse tal vez que la luz puede…
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Enéada IV, 5, 6 — Há luz sem ar?
6. Si la luz pudiese producirse sin intervención del aire, el sol iluminaría asimismo la superficie de los cuerpos, aun en el supuesto de que el aire, ahora iluminado por accidente, fuese reemplazado por el vacío. Pero si las demás cosas son iluminadas por serlo también el aire, la existencia de la luz debe atribuirse…