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# Title: Qua Continentur De Angulo Contactus & Semicirculi, Disquisitio Geometrica. De Sectionibus Conicis Tractatus. Arithmetica Infinitorum: sive de Curvilineorum quadraturâ, &c. Eclipseos Solaris Observatio (shelfmark Leibn. Marg. 84:2)
# Folio 5, page id 824573315:0217
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DFOD. 6.
drithometica insinitorum.
Ricuene fguram Cex similibus se Toribus composicam) ipla
AGara MTM Ccoi inscribitur) minorem: Differencia vero
Perpecuo minuetur prour sectores illi C cidem MVM tiourae in-
Sexipei) plares fverine, (HE PaTeC,) adeout, E sectores illi Lup.
Donancur infnicis fgura sic interipea ip(i M TM AguIE Con-
Eruet, (per ca quae unirerlalicer monvimes ad prop. 2. C on.
Sect.) e propierea sectorum illorum omnium arcus sph loira-
li MY CONGrUEHE.
Sune aucem illi similium sectorum areus (Sicur eorum radii)
arichersecice proportionales, nEMIDC UCO, 1, 2, _C. angulus au-
cem cujusliber fectoris eAt ea pars anguli FOLIUS AMY quae se
etorum sire lpaciorum numero cognominis ctci adeoq: li lecto.
res supponantur intinici, erie angulus cujastibee o Cpars inti-
nice parra) anguli eocius AMP, ica nempe uc omnes limul a.-
GUEHLUEEOTi AMT. (LiccaE aucem mitii, naraxensincos FOrlaM,
Anguli nomine appellare angulorum eciam aegregacum,
quamris Forcasse duos rectos rel aequer vel eciam LePErCt.)
Spiralis igicur MP constare supponiiur ex infinicie sccto-
num arcubus arichmerice preporcionalibus, CTubcensis a an-
suli AMT,) quorum minim rodius est o, leu punctum, (nu-
lius maonieudinis,) maximI verOFeCtA M VP.
Correspondens aurem accus conterminus PP, ex totidem
constat lectorum arcubus maximo a qualibus, uE PaLCL.
Ergoasoresatum illorum (hoc elt linea spiralis MT) ad
axgregacum horum (hocesarcum concerminum PY) cA uE
2 2d2. DeFPFOD. 2.
CACt. V1. Cdrollari.
e Bopletca, Linea Spiralis MI A una cirCMalio
facta aequatur senissi peripherie circuli primi, AA.
Nam arcus conterminus spirali MA, cA incegra PeripHe
tra circulipeimi puncto A de scripca. ldeoq; RC. PrOPrOB. 5.
quoderac demonttrandum.