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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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pelnbiaru.
3. RaFaO-
De Praeparamentis Demonstrativis.
Sect. 3.
5. 6. Fluc spectacen dcors, aucue vulgo nominane, Syllo.
sismus expositorius, qui adhibetur à Philo(opho ad illustran-
dam rim consequentix in Syllosilmistertix fignra, quando
Scilicetmedium commune declaratur et ceu exponirur seu-
sibus per medium singulare, quod subillo communi conti-
netuF. EgOtamen in Fuclidea Meraphylica fundamentum
hanc Syllosilmirationem absq; tali expolitione formalirer
demonstranditradidi.
S.7. Tercium incer praeliminaria estnaraoncon. Constra-
xeon qua ctioh. C. Praeparatio seu determinatio postulandorum quibo
postutanda ad demonstrationem opus est, qualia quidem vel in ipsooc-
currunce Faco demonstraciro, pocissimum in Problemarico.
Domestica, ut in exemplo antea posico r. mulciplicare terrium datorum trim
um cum secundo. 2. dividere preductum perprimum, _C. Qua
dum Aunc, auc Palcem uc Facta supponuntur, atque ita per ex-
terna Cignapexparancur. Constructio est; vel aliunde assu-
Exrranca. muncur pocislinum in Theorematibus ad clarius intellioem
aristotelit
Exemplum
dam ex adornandam demonstrarionis rim: ut (, trianeulum
habere tres duobus rectis aequales demonstrandum fuerie; (up-
exEuclide, Potris poltulacis, cum quod quaevis recta porro in continuum
produciqueat imo quoadrem jam ducta cuiristriansulorum
laceri rersus veram que plasam adiaccac; cum quodenivis li-
neae ex quovis puncto extraneo paralle la designari possit, imo quo-
ad rem jam actu excurras, Analyticus, assumpro quocunque
eriansuli (diaerammare ab crepraesentati e sic exposici) lace-
rer. 8. ab. tractum ejus incontinuum b d. exera criangulum
cadentem, et recta porro jam actu excurrentem, facto du tu
visibilibd. delienat quousque roluerie: Similiter et ex pun-
etob. jam excurrentem rectam rectae oppolia ac. parallelam
ineliageammate ductu similibo. repraesencat, aeque itariam
ad primariam demonstrationem sernic, h. C. naraorcolu seu
Constructionem exercet. Ouibus ita praeparatis facile suc-
cedir demonstrationis Auxus, claristime enim hinc clucet
ob parallesismum linearum ac. e b c. e incidentiam recta-
rum cb. ad. ansulum cb c. xequalem eAe alterno ac b. et an-
sulum
EdcoB