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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 83, page id 797435492:0307
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IECT. Z.
atanea bfa - 3m m a = 3ffc = bm e; subctiuendoque bf M
3m = 3fft = bmt; seu,
.
bF m - 3 m
3Ff = b1
Exemp. IV.
t.
Sit Ouadratrix CMV (ad circulum C F. B pertinens cuicentrum
A,) cujus axis V A; Ordinatx C A. M P ad V A perpendicula-
reS.
Prorractis rectis AM F, AN F, ductisque rectis FR, F L. ad AB F
perpendicularibus, dicantur arcus C B = p; radius AC = r; recta L16. 1Y9.
AP = f; AM = R. FAque jam C A arC. C B:: NR. aFC. F F.
hoc est, r. p: : a. = arC. F F. _ AM. MP:: AF. FR; HOC
est, k. m: : r.
eAt r.
 = FK; itEM AF. F K: : arC. F F, L. K. HOC
m:: p a pm a
nb = LK. VerIIM AM. AF:: AP. AK;
. 1t
hoc est R. r: : f. Z = AK. er8O
2 f m p a
r
S Pma
R. . nk
FA L, EI
xFF
kR
bk Cabjectis supercuis) = A L. q; adeoque L F q =
rrkk- rrff  2fmpa rrmm. . 2 Fmpa.
k
eke
Fst autem A g. ONg:: ALg. L. F9; hoc est : f- 0.
D: m- . a:: AL g. L F9. hoc es ff- 2fc. m M- 1 2 m e::
erff - 2 fm pa. rrm m. 1. 2 fmpa. Unde (Tublatis ex nOr-
marejectaneis) emerset aegnario ffpa l. mmpa erfa-rrme; seu
Plparrfa=rrme; vel substituendo juxta praescripeum; esepmrrfne
=rrnt, vel-
Ek
P; Hoc est (quoniam, ut nOtum Ct, A V -==) erit A T =
AM9
AV; sCu, AV. AM:: AM. AT.
est L
Exemp.