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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 174, page id 1677894601:0366
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=366
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e (per hanc Propohtionem) aX =yY = 2 L2 PCV
2X 273
Z
27 HOC es aX 2y
= Y aX- 9y. Ft
inde 3X2X. Xyy- 2X7)
ax YY
a X 22aYY
Vax yy
=0
lit per operationem repetitam persitur ad Auxio
nes secundas, tertias e leguentes. Sit aequatio
273- 24  24 =0, e hiet per operationem primam
233 , 32772-422 =0, per Secundam 273 ]- 62772
32772--62727- 42.23-122223 =0, Per TCTEIAIM
2.33 -, 92732 f92772-7 282], y-7. 32772]- 182.7y7
1623- 42. 23- 362222 2422 =0
Ubi vero se pergitur ad Auxiones secundas, Ter-
Eias _ sequentes, convenit quantitatem aliquam ut
unitormiter Auentem considerare, et pro ejus Auxione
prima unitatem lcribere, pro secunda vero e se-
guentibus nihril. Sit aequatio 273 - 2+ ] a4 = 0, ut
supra; X Huat Z unitormiter, litq; ejus Auxio unitas,
et tiet per operationem primam y3 - 327y7 423 =0,
per Secundam 6yy2 ]. 3277 2  627 2y - +272 = 0.
Per tertiam 9yy2 f 18y2Y. = 32yy  f. 1827yy + 6273
2 4i = O.
Tn