Ptolemy's Tetrabiblos : $b or Quadripartite, being four books of the influence of the stars ... with a preface, explanatory notes, and an appendix containing extracts from the Almagest of Ptolemy and the whole of his Centiloquy, together with a short notice of Mr. Ranger's zodiacal planisphere and an explanatory platePtolemy
Religion
Ptolemy's Tetrabiblos : $b or Quadripartite, being four books of the influence of the stars ... with a preface, explanatory notes, and an appendix containing extracts from the Almagest of Ptolemy and the whole of his Centiloquy, together with a short notice of Mr. Ranger's zodiacal planisphere and an explanatory plate
Ptolemy
Astrology -- Early works to 1800
Therefore, whenever there may be found two or more conflicting
configurations, auxiliary on the one hand, and hostile on the other,
due observation must be made to ascertain which party surpasses the
other, in power as well as in number. The pre-eminence in number will
be, of course, obvious, from the greater number[154] on one side than
on the other; but, for pre-eminence in power, it must be seen whether
the stars, auxiliary or hostile as the case may be, are, on the one
side, in places appropriate to themselves, while they are not so on the
other; and especially whether those on the one side may be oriental,
and those on the other occidental. It is also to be observed, in all
cases, that not any one of such stars, whether hostile or auxiliary,
is to be left out of the present calculation, on account of its casual
position under the sunbeams.[155] This rule must be particularly
attended to, because, even though the Moon be not prorogatory, the
solar place itself becomes anæretic, if shackled by the simultaneous
presence of a malefic, and not restored to freedom of operation by any
benefic.
[154] Of the stars and places brought into configuration.
[155] Whalley’s translation of this passage is in direct contradiction
to the sense: and even that of Allatius, as well as other Latin ones,
are (if strictly correct) confused in their meaning.
The number of years, depending on the distances between the prorogatory
and anæretic places, cannot be always gathered simply and at once
from the ascensional times[156] of each respective degree; but only
in cases when the ascendant itself, or some other specific degree or
body, actually ascending in the oriental horizon, may possess the
prorogation. For, if it be desired to calculate agreeably to nature,
every process of calculation that can be adopted must be directed
to the attainment of one object; that is to say, to ascertain after
how many equatorial times[157] the place of the succeeding body, or
degree, will arrive at the position preoccupied at the birth by the
preceding body, or degree: and, as equatorial time transits equally
both the horizon and the meridian, the places in question[158] must
be considered, in respect of their proportionate distances from both
these; each equatorial degree[159] being taken to signify one solar
year.
Public-domain text, read in full here on John Shaqi.
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