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# Title: [Danielis Lipstorpii Lubecensis, Specimina Philosophiae Cartesianae] Danielis Lipstorpii Lubecensis, Specimina Philosophiæ Cartesianæ (shelfmarks Leibn. Marg. 14; ZEN Leibn. Marg. 14)
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P A R S S E C Y N D A
ciliorem ejus perceptionem, absolute tamen loguendo, unus
cantum in unoguoque corpore esnummerandus, ut idem mo-
net l0c. cit.
Ouodaurem supposuimus in definicione, illum componi
ex duobus rectis simul, patec, si in quadrilaterO ABCD, IupTC-
mum lacus AB feratur motu recto vertus oppolicum CD,
codemque tempore punctum A Cupremi laceris AB FCratUE
motu recto verlus B extremicatem alceram. Hloc enim pa-
cto, delcribet punctum A non lincam perpendicularem AC;
ledlincam trantverlam AD, rectam tamen, quam diagona-
lem rocamus, ubiad latus oppolitum CD perrencrit.
1. Exemp. Ex circularia recto componitur mocus nodi
in rota, circa curri axem, qui est circularis, e sccundum lon-
sicudinem vixe per quam tertur, qua cstrecta. Sic enim via
rectalinea AF, Cuper qua circumrolratur rota sive circulus
ABCD, donecpunctum circumferentix intimum, tangens
viam rectam AL in A, cidem rurlus occurrat in E, delcribee
punctum A hoc morulincam curram AFE. Fc de hac linca
nocamus, cam duobusmoribus deleribi, inter lc distinctis;
rectonempe, quo circulus ABCD detertur ab A adE; _ cir-
culari, quo punctum in ejus circumterentia roratur circa
cenerum, dummoretur perlincam rectam AF xqualem e
parallelam. Idem incelligendum est de quoris alio puncto
intra vel extra rotam sive circulum allumpto, CxCeptOLaN-
cum ejuscentro. Tlanc autem lineam vocamus lrochoi-
dem, live Creloidem, quam Vir Clariss. Fuangelicta Fori-
cellius seribit a Galilaeo Cralilaei praedecessore luo primum
fuisse consideratam; cujusque ulteriori Epeculacioni hic ipsc
Foricellius, ut e Vir Celeberrimus Dn. Roberral, Mache-
rmacum in Academia Parisiensi Protestor Regiuslcaddixic.
Duam Hlcnricus Regius in co aercquerensos in fundamentis
Phylicae male contundic cum Linca Spirali, de qua crudito
eractat Archimedes lib. de lineis Spiralibus, ubi ejus constru.
ctionem