icabimur. . Euclides demonftrauit, inter re&am lineam contingentiz circu- Iib, ;. li & circulum non poffe re&am aliam,qua angulum contingentie Prop16. diuidat, interponi ; igitur angulus ille contingentiz eft indiuifibilis, ac proinde poteft inter duas lineasin angulum concurrentes, f, pati folim… … €ontingentig BC... | Se. ws MEA T !
Number theory
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