3gzeue copendmm arris geometric 



f ejc Ubzie ^ucUd^Sp^djercampanijreroptime copflatue. 

 o: tractatue ipSToEeTrrium 



igomema eft antbmetice 



eonfecuttoat nam pofteriozfs ozdmio eft et paffionee nume 

 rozummagnitudmibu8t>eferuiunt. Copter quod eudfdee 

 geometric aritbmetfcam interpofuit.Tloe autem in alio tra 

 ctatu oeSrftbmetfca evpediumiuo tdeo r ondufiones In per 

 mfrtas.t.&iftintae ab aritbmenca ponerous geomciricae, 

 afit geometria In tbeo:fcam*zp:at(csm Xbeo:(ca palTionee magndu 

 dials fouefMjjatfillogifmo etratloncqucadmodumconcludimue ^ommererraU 

 neaeflaptanatacfTebafistrunguHequllated pcrt)jfFtmt(onem arculi etperboc 

 aflumptum <y omnem recta Itneam cotmgi't elTe femfdiametrum t>uomni ctrculo^, 

 C*p2aticaveroe(lquemenrura0inagmtudmiiinuefltgatarteet(nrtrumento,t 

 fubdiuidkurlnaltfnietHametptaiHmetriamtfoUnietrtl.quarupJimaeQoemefu 

 rat tone altitudlnu. fecudaoemenfurationeplano^., terdaoemenfuratfonefolU 

 to:um, 3ii^'*umetaciuebuiurmodifnenfurationibu8t)ercru!untfuntqu302a8cbC 

 liRdrum.aflroiabium.armilie etto:quetfi nauicula. tbuiufmodipalTiote quao 

 DcmagraruddieoemSflramue funt pcnc cms relattue. ^tequalttaeec mequalitao 

 regularitaeetirregularltas.comcnrurabllitaaetuicomenfurabihtao^tiamvtru 

 tales paflKoee fint rea oirtiiue a fubicctfe folf t h'erialtercatioce fed hoc d ana per 

 tinetfccultatem. dXractatua p:(mue Capitulum pnmurn oe pnncipijo 



ittcomplejcfaquerunt^iffinittonee ternunozum. 



feuppono Igftur pzincipU tetponflrattoni0 el voco panclpta oem onflra 

 tion a t>iffm(t(one8 cr pjopofitioco (nmediatae.qm p^opofitiones m me 

 /Dlate no btbent fe priozee c;c cijbue t>emoflrenf ,talta em pfuppom babct 

 ' in quaTfbet fciccn. i?u(ufmod(em pittidpio^. quodam efl otgnitas vel matima ,p 

 pofuio etadbccgenudpzfncipiozumreducunturpwporirionee m mediate fn geo 

 metria que oicii rtfr comunea animi cottceptionee: flue comunee fcientie, S I iud efl 

 quodvocatur ab artflotcle pofitio, pofi tloio qoda eft p2lncipm coplejcu et vocaf ab 

 ariftonle fuppofitlo (ti geometrt* peritfo,2Ufud cfl tm cjctremfl ^pofitois etvoca 

 t>iffinicto CS t)(ffinit^on(bu8 igif e]ro:diu eflfumcdu q fignificata termino^ e>:p?f 

 inuut rigmhcjra aiitttermino^ln oibuefdecliopjefupponl babct, C"puncruvo 

 xioco quod magnitudin(8 efl ptind p(8 ZWagmtudinfl autc quc t nam babet Dimeii 

 tione: linea Dic(tur:queDuaefu|>fine8quevero,5,co2p <) appellatur fl ceroco:p' 

 perfectiua omni qtitate quta pofl trinam no eft quarta Dimenfio* Jiguram veroto 

 comasnitudinemterminatamautlineidiutfuperftdebud. rgohguraom(daut 

 eflplana auteftfolidaplanaaquidem terminal lineefi'guraa roKdasfuperticiee. 

 Omnis autem figurafoIidaauteftrotundaoutconicaJ^angularte.CConicarum 

 autem alle rcgulares ct funt folum, f.f, tctracedron/ocacedron/octo ccdron/ouo= 

 oecedron/koccdron, qucmadmodum oedarabo. 2Ufe <cero funt irregularee: vt 

 funt C02p023/ferratil(a/etp(ramide8 latcrate et buiufmodi, Cf^otudarum queda 

 funr regulares vt fpertca, qucdam irrcgularee tt ouaies et lenticulares, tManam 

 vero ftguraru: aha drculans.f.ftne angulo. Ulia rectilinea et pqligonia,i,mulio^ 

 angulo:um,CC(rculu8 eft fi'gura pltna vnicalinea content* que drcufercntU no* 

 mi nat ur in cuiuo medio eft punctue a quo omca 1 ;ec t>u cte ad circuferentiam (unc 

 equalesetbicpunctue centrum drculi oidtur, "ftecrilinoirum quedam funt ftm 

 plicee, SUecgredicntiaanguIoJum StmpHdumveroSliatrtum an wlojtnhct 



Circulua triagul 9 qdratii Jiguracsredietiuangulo? 



tetracedron 



ejcacedron 



cojpaeKrfculare 



No. 6438 (ptye 380). 

 First edition of this early work on geometry. 



