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# Title: [Idea Totius Encyclopaediae Mathematico-Philosoph. hoc est, Analysis Aristotelico-Euclidea] Erhardi Weigelii, Prof. Publ. Idea Totius Encyclopædiæ Mathematico-Philosoph. hoc est, Analysis Aristotelico-Euclidea (shelfmark Leibn. Marg. 106)
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DeMterhodo Particulari.
5. 12. Scholalticomore sic progredimur: ledarido LD Schosastica
Atori prius debicam hic apprecor patientiam.
L. B.x Ouodonnq habes omnes angulos simul, omnibus ad idem
punctum super line a rect a consticuris simul, aequales, C In Mas
id, cujus anenliomnes sunul sunt aegnales duobus rectis.
BA Aiqui omne Trianculum planum rectilinen est id quod
habet omnes anculos simul, omnibus ad idem punctum
Super linca rectâ consticuris simul, aequales.
RA FrCo. Omne Triangulum planum rectilineum eAt id, cu-
jns anculi omnes simul sunt aequales duobus rectis.
Mlajor jandum superius eodem apparatu, sed immediate
statim exprimo principio demonstrata est. Vid. Fuclid. lib.
Nlemb. 1. Cap. 3.
R. Elem. PFOP. 13.
alemoria
ratiatone
atier bersuto
Mline iobatur
2. BAF Ouodeunque triangulum habet duos internos angulos si. Cauro
mul, externo es oppossto, (qui reliquo erium internorum
est deinceps) aeguales, illud eAt id quod habet omnes an-
sulos simul, omnibus ad idem punctum consticntis simulo
aguales.
BA Acqui omne Triancalum planum rectilineu est id quod
habet duosangulos internos simul externo Cs opposito (qui
reliquo erium internorum est deinceps) aquales.
RA. Frgo. Omne Triunculum planum rectilineum eA id
quodhabet omnes anculos simul, omnibus ad idem pun
ctum constitutis simul, aequales.
RlaiOT PEObATUE:
3. BAF Ouodeunqe habet omnes angulos simul, duobus deinceps pugnabae
sitis simul, aequales, CA id quod habet omnes angulos si
mul, omnibus ad idem punctu constituris simul aequales.
BA Sed omne Trianculum quod habet duos internos angu-
los simul, externo es opposiro (qui reliquo trium interno-
rum est deinceps) aegnales, est id quad habet omnes an-
sulos simul, duobus deinceps suis simul, aequales.
RA. ErcO. Omne Trianculum quod habet duos internos an-
sulos simul externo (s oppossto (qui reliquo trium inter-
BOreM