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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica (shelfmarks Leibn. Marg. 100:1/2, Stück 1; Leibn. Marg. 100:1/2)
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CropL. AIX.
TNFFNETORUM.
ROP. LXIX.
Corollarium.
Parabola rectis quortibet secetur (basi paralletis e agaiiter ab invi-
Dcem remotis, portiones aeque altas abscinden-
ribus,) crunt abscissae Parabolae (verticem inter
C0 rectas secantes,) ut FV Z, 2V 2, 3Y 3, 4Y 4.
Cc. vel ut Y +, Y 8, Y 27, V64, 5c. radices
quadratica numerorum cubicorum. Spatia vero
interjecta, ut earum radticum differentiae.
Sunc enim bales (quippe Ordinatim applicatae
in Parabola) in alcicudinum racione lubduplicata.
e js e
 ee E1  SIS
L1EIA NC sec ~BD R O. D: ~, F XEXC.  1. 5195I
Corollariums.
PTConoeides Parabolicum planis quoclibet secetur (basi paralletis, e aequali-
ter ab itoicem remotis, portiones abscindentibus, aeque altas,) erunt, Cor
noeidea sic abscissa lverticem inter e3 plana secantia) ut 2, 4, 9, 26, 9c.
numeri quadrati: Ft portiones interjectaen ut 2y 3,5, 7, 10. Arichmetice-
proportionales. (Et similiter in Pyramidoeide.)
31VC)
C cranom  oesi . t . 
sic 21533 si lcs1 3B C atim  iaulain D it cs.  .
Nempe, uE de Prianculo dictum est Drox. S. J. tunc enim conocidium ableistorum
bates in racione duplicata semidiamerorum, hoc est ordinatim applicatarum in Pa.
rabola; et propcerea, alcicudinibus proporrionales.
PROP. L XX L.
Corollarium.
CTcomplementum semipar abola rectis quorlibet secetur (complementi baso arat-
lelis, Cd aequaliter ab invisem remotis, portiones abscindentibus aeque-altas.
erunt complementa su abseisse (vertirem inter e rectas secantes.) ut 2, 8, 2).
64, 3c. numeri Cubici: Et portiones interjecta ut 2, 29, 29 37, Bc. numero-
rum cubicorum disferentit. (. : L. 3 BIE A5 1 13) CLII HBAEDALALC. AIDEIS
Nempe ut supta de Cono dietum elt, Prop. 68. sunc enim bases, Hoc eteu comple
mencorum ordinarim applicatae, in alcitudiuum ratione cupicata.
P RO P. LXXII.
Corollarium.
TConoeides etiam semiparabolue complemento
daptatum, planis quotlibet secetur (basi paral-
delis, e ab invicem aequaliter remotis, portiones
abscindentibus aeque altas,) erunt abscissa conoei-
dea (verticem inter (3 plana secantian) ut 1, 32
2437 2024, c. numeri supersolidi: et portio-
nes interjectae, ut L, ZTGZY2, 78L, 80. numero
rum supersolidorum differentiae. (Ft similiter in
Prramidocide.)
Ddd3
111
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