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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
# Folio 212, page id 79876922X:0708
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212
DE TNVESTIGATIONO
aequalia eidem rertio; aequentur sempet inter se
Ouo revocato in memoriam, cum omnia jam
Salra (certa, necellaria) sint, conrertit se Philo.
macha ab Analyseos progressu, de regreditur
eodem cramite retro ad Synthelim, ut sit
II. Processus Constructirus.
Si ex datae rectae terminis A. B. ad inter-
capedinem datae AB. describas duos cir-
culos, s ad alterutram eorum interse-
etionem C. ab A. (5B. (per postul. 1.) du-
eas rectas AC. BC: tunc Trianculum
descriprum erit aequilaterum.
TII. Demonstratio Synthetica.
L. C. Inverla recitatio peracta Analr(COS.
Cum enim tiae tres recta cum binorum cir-
culorum inter se aqualium aequalibuS, (PeT AX. I.)
racthis, politione pariter ee quantitate congru.
AnE, (Per 2X. 8.) Situm triconterminalem, seu
formam eriansularem aequilateram constituent,
D. F. D.
IV. Syllogismus, Teu Collectio,
jam invencarum rationum in Fasciculum
dictionalem pro memoria, ut liE Collecta
Ddemonstratio. Oux E pramitcitur, est In-
matio expansa e pertectu Demonstra-
FiOnIs.
Duea
M
1d