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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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Prop. citu
De Definitione Logica.
quipplam dmonstrandum est, detinicio Circuli succentu-
riacam ipsimedio praestar operam.
FaXta
bobloto
Sect. 2.
5. 18. Uc in proposicione prima Flemeneorum Fucli-
dis (quam Sect. T. Cap. 4. 5. 15. debice Formarinus) quoniam
rectaS AC. _ AB. itemque C B et AB. cum duorum circulo.
rum radiis coincidere iplum exprese supponie Propolitio.
nisirsueror; isitur circuli definicio (gnam ettari subjectum
se iphiamdum, sed impliciro conceptu, involrit) Facta repe-
cirione conceptu reluc explicito crolucaipsi demonstrario.
nipraecenditur, quae praedictas rectas, nempe A C. ipA A B.
_ CBipA A B. aequales esse; eo ipso quod Propositionis sub-
jectumhoc involrac. qualiclara voce proclamer. Ouo ip(o
ia sculi paraeur ips Demonstrarionitioc modo Ruenti.
Oua erdem aequalia sune, illa inter se suni aegualia:
Arquitria lacera Trranculi siC. constituri sunt eidemae
gnalia F.
Fria latera Frianguli sie constiruri sunt inter se aeqna-
lia.
5. 19. FujusSyllogimi demonstratiri Major Proposi-
cioper se constat, et cAt axioma primum Flementorum Fu-
clidis: Mnor Proposicionon es ipla definitio vel subjecti
applicatio vel praedicaci conclutionis, sed lalcem ex inrimaca detinicione
Parcis (circuli; quem conclusionis complectieur subicetum)
accedente ad huc alio primo principio Auit e cognoscitur,
dum lacera eriansuli sic constitati supponuntur consruere
cum radiis ex utroque rel alceruero circulorum ceniro ad
circum ferentiam egressis, un de cumradii sine cidem, nempe
communi AB. aguales, ipla laceraradiis congruentia criam
erunc eidem aequalia, juxea axioma commune, quae concrunnt,
inter se sunt aequalia. Onibuseanquam cants a parrerei con-
Sicuris, succencuriaca Palrem definitionis opera, relultae
caulacum: Tria latera Trianculisic constreun sunt inter se aequa-
tia. Oux conclusio licet rerbis quodammodo discreper a
propolica: Trrangulum est aguilaterum. Concepturamen d
rciplaconvenit. Sed meplone idem quod ad demonstran-
duor
Cujus demon
sabbC