50 D E V S V 



habebimus tj 



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^ ^.(£ f6--^- 5B -+- it^l-yj^^y^^iv^) -2((^,^)rtf)) 



^ ^^^dd-^ (£ 4- 2(/(f ^^,^,/»,f)(.y,^,/^) -s(^,V) '^,^)) 



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etc. 



24.. Statuamtis iam breuitatis gratia : 



€ = (£ -1- T>^^-h2^-R 



etc. 

 ct ex fuperioribus redudlionibus colligemus •. 



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etc. 



ficque fiet 



= <v 



etc. 



15' 



