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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
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E L P N C H V S
P ARS TF R TI A.
Derectangulorum inter se proportione.
Esionantur Ma aequationes rectanculorum es quadratorum quae oriuneur ex
sermentis la rectae duusae aut in aequales, aut in partes maequales. Pas. 37.
Equationesa morum problematice inveniuntur.
40. pr. 63. 64. 65. 66.
Variae aequationes, e comparationes rectanculorum es quadratorum quae fiunt super
lineis proportionalibus.
42. pr. 67. 68, pas. 43. pr. 67. 68.69.
Problemata varia, de linea didendaant auzenda, sic vt rectaneula aut quadrata
nata ex sermentis linea divisae inter se certam habeant rationem. 44. pr. 70. 71. 72.
73. 74.75,76, 77,78.79.80.81. 83.84.
Data basi, accrecatolaterum, ex alticudine crianguli, exhibere triangulum. 49. pr. 83.
C IBF R S F CV ND V S.
Deproeressionibus Geometricis.
L Desinitiones eressionum earum que explicationes.
PA R S PRIMA
Procressiones non terminatas considerat.
Ontinue proporcanalium mirae proprietates. 59. pr. 1. 2. 3. 4. pas. 60. pr. 8. 9. 10.
Proprietates aua serierum trium aut quatuor continue proporcionalium. 58. pr. 5. 6.
Si sit prima ad secundam, e terria ad quaream, erit vt prima cum secunda ad terciam,
ita omnes quatuor ad primam cum quarta, vel t prima cum secunda ad secunda,
ita omnes quatuor ad secundam cum quarta.
Pappiprop. 18. l. 3. proponitur 2niversaliter.
Asionatur series proportionalium in proportione Arithmetica.
Proprietates quaruor proportionalium etiam non continuarum.
Decontinuato proportion alium processu variae es iucunda proprietates. 69. pr. 23. 24.
25. pas. 74. pr. 30. 32.
Proprietates duarum serierum continue proportion alium eandem habentium primam.
71. pr. 26. 27. 28. 29.
Datarum rectarum altera ita secatur zt partes linea secta cum insectâ sint in continua
analosia.
76. pr. 36.
Dacarum duarum atum t selat dteblb b s inselta Parrel
nea sectae, ad residua linea quadratum, datam habeat rationem.
78. pr. 37.
Data mediarium continue proportionalium, e acereeato linearum prima e tertian
0. PP. 500
Daramaxma e Cotarut,  excessit quo media superat minimam, exhrbetur
pr. 55.56.57,58.59, 60, 61. 62.
Roumentum eS scopus huiuslibri.
11. 12. 13, 14. 15
65. pr. 16.
66. pr. 17
67 pr. 18. 19.
68. pr. 20. 21. 22.
1. par. 74. pr. 31. 33. 34.
exhibetur primae testia.
meua oitima
79. pr.3).
Datto
 e ari p s se tte  sat a e u  et et  p tet ot et st ste   si ut  ett  pt eat   estet st  e  su t       et et  e   et p t ta  t pt   put 1