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# Title: Qua Continentur, Oratio Inauguralis. Mathesis Universalis; sive, Arithmeticum opus Integrum, tum Numerosam Arithmeticam tum Speciosam complectens. Adversus Meibomii, de Proportionibus Dialogum, Tractatus Elencticus (shelfmarks Leibn. Marg. 84:1, Stück 1; Leibn. Marg. 84:1)
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De addirione Subductione. esc.
CAP. 15.
Acqi hoc quidem; de Additione e Subductionc Algebricd
ee Speciola, dicta sutticiane.
Ouod aurem superius de Addicione monnimum, illud eciam.
de verisq; Addicione e Subductione (Tire Numerolis Cive spe-
ciolis) incelligendum cst; Nempe Duando plures quanitates sunt
continué vel addendae vel subducendae, vel parrim addendae parrim subdu-
cenda, Perinde est quo ordine instituamur eperationes, mode omnes continué
peracantur. Non enim de ordine Ccu Ciru quanciracum quaritur
ded de eorum magnicudines (nempe quanrum illud Cic quod
emersie, quocunque candem ordine disponantur.) empe o + 3
 4 = 6 - 4 + 3 - 3Y6  4 = 3- 4 + 6 = = 4 +6 +3-
no 4 + 8 F6 = -5. Irem A + B  C =- Bt A = C =- A
C FB = B - C t R =  C FAFB - = C +B + A. FCCI
milicer in aliis.
CAP. ZV
additionis e Subductionis, per contrarias operationes, probatio. Ob
jectionibus Rami respondetur. Duaestiuneulae aliquor familiares
solvunur. Probatio novenaria. Vrur lubrica sit, non tamen con-
remnenda. Duomodo reddi potest certa-
Doacradicam Addicionis _ Subductionis praxin; annecten.
L dum ridecur aliquid de veriusq; Probarione hre Examine.
Cum enim in Arichmecices praxi, erronibus praeserrim e pa-
rum exercitaris, error calculi Facillime possie irrepere: PolenE
hic Arichmecicae Pracica Magistri methodos eradore operacio-
nem jam peractam examinandi, quo melius perspectum sIC
numquis error (abHr. Juam egoremi in hunc locum dictulis
quia addicionis e Subduetionis examinarionem simul craden-
dam esse duxerim; partim quod eadem Fere lic ueriusq; mecho
dus; parcim eriam quod neurra seortm cam commode cradi
Examinario
Pollic, cum alcera alcerius probacionem praettct.
Addicionem peractam Colenne eM per Subductionem (ope.
sive Probatio rarionem ips concrariam) examinare. Cum enim duo nume-
Addisionis ri Cimul addici sune, (i ex Cumma Lubducatur eorum alLCrHEra,
rectabio