The Mathematicall Praeface to Elements of Geometrie of Euclid of MegaraDee, John
Philosophy
The Mathematicall Praeface to Elements of Geometrie of Euclid of Megara
Dee, John
Geometry -- Early works to 1800; Mathematics -- Early works to 1800; Philosophy -- Early works to 1800
+‡Of Astrologie‡+, here I make an Arte, seuerall from _Astronomie_: not
by new deuise, but by good reason and authoritie: for, +Astrologie, is
an Arte Mathematicall, which reasonably demonstrateth the operations and
effectes, of the naturall beames, of light, and secrete influence: of
the Sterres and Planets: in euery element and elementall body: at all
times, in any Horizon assigned.+ This Arte is furnished with many other
great Artes and experiences: As with perfecte _Perspectiue_,
_Astronomie_, _Cosmographie_, _Naturall Philosophie_ of the 4.
Elementes, the Arte of Graduation, and some good vnderstãding in
_Musike_: and yet moreouer, with an other great Arte, hereafter
following, though I, here, set this before, for some considerations me
mouing. Sufficient (you see) is the stuffe, to make this rare and
secrete Arte, of: and hard enough to frame to the Conclusion
Syllogisticall. Yet both the manifolde and continuall trauailes of the
most auncient and wise Philosophers, for the atteyning of this Arte: and
by examples of effectes, to confirme the same: hath left vnto vs
sufficient proufe and witnesse: and we, also, daily may perceaue, That
mans body, and all other Elementall bodies, are altered, disposed,
ordred, pleasured, and displeasured, by the Influentiall working of the
_Sunne_, _Mone_, and the other Starres and Planets. And therfore, sayth
_Aristotle_, in the first of his _Meteorologicall_ bookes, in the second
Chapter: _Est autem necessariò Mundus iste, supernis lationibus ferè
continuus. Vt, inde, vis eius vniuersa regatur. Ea siquidem Causà prima
putanda omnibus est, vnde motus principium existit._ That is: +_This
=[Elementall]= World is of necessitie, almost, next adioyning, to the
heauenly motions: That, from thence, all his vertue or force may be
gouerned. For, that is to be thought the first Cause vnto all: from
which, the beginning of motion, is._+ And againe, in the tenth Chapter.
_Oportet igitur & horum principia sumamus, & causas omnium similiter.
Principium igitur vt mouens, præcipuum[que] & omnium primum, Circulus
ille est, in quo manifeste Solis latio, &c._ And so forth. His
_Meteorologicall_ bookes, are full of argumentes, and effectuall
demonstrations, of the vertue, operation, and power of the heauenly
bodies, in and vpon the fower Elementes, and other bodies, of them
(either perfectly, or vnperfectly) composed. And in his second booke,
_De Generatione & Corruptione_, in the tenth Chapter. _Quocirca & prima
latio, Ortus & Interitus causa non est: Sed obliqui Circuli latio: ea
nam[que] & continua est, & duobus motibus fit:_ In Englishe, thus.
+_Wherefore the vppermost motion, is not the cause of Generation and
Corruption, but the motion of the Zodiake: for, that, both, is
continuall, and is caused of two mouinges._+ And in his second booke,
and second Chapter of hys _Physikes_. _Homo nam[que] generat hominem,
at[que] Sol._ +_For Man (sayth he) and the Sonne, are cause of mans
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