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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)
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6B
Arithmetica Insinitorum.
PrOD. 85.
ralleloerammi ADB e Trianculi ADF, prodibis comple-
mentum semiparabola ADF.
Segricur ex prxecedence. Ouadrata enim rectarum in Frian.
Sulo constieuune Preamidem. F similicer in reliquis. Ostendi.
cur aurem parspcima in tigura pelori; sccunda ee cercia ia
xoReriori.
PROD. LXZXV. Corollarium.
P Prramidoides Paraholicum (Teries nempe Pri-
manorum) ad Friangulum E aque altum) respecti-
ve applicetur: prodibit Paralleloerammum C qu’id
 2 = 0.) Si adt paralleloerammum, prodibit Trian-
Entam (quia E = O =- T.) Si ad semiparaholam, prodi-
hit semiparabola; (Cquia L = = = 2) Si ad semr. para-
boloides cubicale, planum prodiens constabit ex secun-
danorum radicibus crbicis:; (quia 2 = 2 = Z.) Et pari-
ter in aliis ejusmodi applicationibus.
PALCE Ex PFOP. 8F.
C