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# Title: [Lectiones XVIII, Cantabrigiae in Scholis publicis habitae] Lectiones XVIII, Cantabrigiæ in Scholis publicis habitæ (shelfmarks Leibn. Marg. 0; ZEN Leibn. Marg. 0)
# Folio 58, page id 797435492:0098
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 37 lines, status machine
# Lines: 37 recognised, mean confidence 0.79
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P C Y.
I
Dux radiis obreniune a longinquo puncto manantibus, ade.
que quasi parallelis, ex reflectione peripheriam ad circula
rem peracta; ubinam ex quousque vel sibimet iplis occurrune, vel ax
em incerlecant; quo loco radians oculo ubicunque constiruro reprae-
sentare, in postremis ele disertarum. ad punctum jam accedimus ra
dios ejiciens sensibilirer diversentes. Ft hujusmodi quidem puncto;
quanquam seu in obversas circuli Convexas partes seu ad concaras
radiet communia pleraque Cpriptomara conveniune; tamen communi
tretus Opricorum exemplo, praesertimque majoris eridentiae causd,
calus ictos distincte prosequemur; illum tussis imprimis, hunc aliquan-
toconcilius. ad rem.
II. In circuli BNP (cujus centrum C) converum à puncto a
quilibet incidat radius AN, ilque rerlectatur in NC: patet reAex-
um CN productum axi A C occursurum. nam ducta C N P Patet
CHI productum angulum ANC secare; nec non ideo trianguli
ANC baTIn AC; DuTA In R; quo pOlITO.
III. DiCO FOrC AC. ANI: :KC. KN. Nam duCATF R EI ad
CN Parallela. CsisituE ang. RH N = CNP =CNTK =NKH.
hoc. etiam c superius generatim ostensis consectatur. adeoque NII
NR. icaque cum sIt A C. AN:: R C. IIN. erit eriam A C.
AN: : K C. RN.
IV. Corollarii loco noretuir (ducta CP) FOrC NYH = XR;
ee criangula HIN R, N C P altimilari; vel esse HR. HIN:: NP.
C.HI.
V. Porro, constantibus iildem, dico FOre AC. RC:: AC9
ANg. C N 9. Nam est HP. CN + AN. CN =- TIR.
HN F AN. CN =HIK x AN. HN XC.N = AN. HIN
P.
e
(ivis
l. A
Au
tbl
III
tam.