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Taylor - Theoretic Arithmetic.pdf - Platonic Philosophy

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BOOK Two 121<br />

which is 18416, we must multiply the third prime number 1151<br />

by 16, the same double of the cube 8.<br />

"If you still want other amicable numbers, instead of 2 or its<br />

cube 8, make use of its square cube 64; for it has the same<br />

quality, and will answer as above."<br />

Thus far Ozanam. But the two amicable numbers produced<br />

from 64, which he has omitted in this extract are, 9363584, and<br />

9437056. And the three prime numbers which are the remainders<br />

are 191, 383, and 73727.<br />

CHAPTER XXXIV<br />

On lateral and diametrical n urn hers.*<br />

As numbers have trigonic, tetragonic, and pentagonic reasons,<br />

(or productive principles) and the reasons of all other figures<br />

in power (i.e. causally) so likewise we shall find lateral and<br />

diametrical reasons, spermatically as it were presenting themselves<br />

to the view in numbers. For from these, figures are elegantly<br />

arranged. As therefore, the monad is the principle of all<br />

figures, according to a supreme and seminal reason, thus also<br />

the reason of a diameter and a side, are found in the monad or<br />

unity. Thus for instance, let there be two units, one of which<br />

we suppose to be a diameter, but the other a side; since it is<br />

necessary that the monad which is the principle of all figures,<br />

should be in power, or causally both a side and a diameter.<br />

And let the diameter be added to the side, but two sides to the<br />

diameter; since the diameter is once in power what the side is<br />

twice.? The diameter therefore will be made more, but the<br />

* Vid. Theon. Smyrn. Mathemat. p. 67.<br />

For in a square figure, the square of the diagonal is twice the square of one<br />

of the sides, by 47. 1, of Euclid.

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