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# Title: [Physica, Id Est, Scientia Rerum Corporearum, In Decem Tractatus Distributa] Physica, Id Est, Scientia Rervm Corporearvm, In Decem Tractatvs Distribvta (shelfmarks Leibn. Marg. 7:1-2; ZEN Leibn. Marg. 7:1-2)
# Folio 484, page id 779785487:0542
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18
PE YSICA TR ACT. IV.
quod idem est granitarum, sic fe- angulo ABD; sed angulus DAF
re millecupla; adde quod latus
BC, in quod DC. cadic perpen-
diculariter, tangir arcum C M, in
C, de recta M C, in M; Sed (I
producantur linex CFMI, BM. Fa-
ciene angulum retractionis, vt Pa.
cer; hic enim est, qui Hc a Con-
curlu radii incidentia e retractis
acqui arigulus, quem facinne duce
cangenres decullata, est aequalis
angulo, Tub codem arcu, v. 9.
MLC, POlITO quod L sC cenerum
aECUS MC; led hoc dici non po.
cest; alioquin polica racione densi-
eacum, vel arcuum dupla angulus.
MLC superac lubduplum LCD;
IBIEUE SIE FCD 45. angulus retra-
ctionis eric 22=. quod dicinon
pocest, poluca Ccilicer ratione dens-
earum dupla.
Sed verumque Forre negabis, 1iA
gcometrice probetur; re morem
geram, id brevicer praelto; (IE aE-
515. 39 cus FC, Tub angulo E AC, ducan-
EuE duae TangeHTeS exTrema puncta
pradicti arcus; ScilicCEED, CG,
decultacae in puncto F; dico angu-
lum DF C; aequalem esse angulo
Tub areu CF, hoc cA EAC; PrO-
ducatur enim A C, in D; duo
erianoula D AF, DCF, TLIME
xquiansula; nempe habent ansutu
Dcommunem, de alrerurectu xqua-
dem; igitur cerrium DFC aequalem
Terrio DAF, quod crar demonstron-
stum; quod vero pertinet ad sccun-
aum; lc idem an suluSDAF, SIE AFL,
parallela DE, X lubdupla; dueaeur
per II, DB; dico criangula DE B,
IAB ese proporrionalin; ergO vE
DF, cA dupla EI A, ita E B, eA
dupl2 A B; IgICUE E A, AB aequa-
continet verumque; ergo non est
diplus anguli B; alioquin angu-
li D, B trianguli D A B, CAenE
aequales; addo rnum, in quo etiam
ab aduerlariis peccatur, cenerum
aecuum prioris Agurae Scilicet FD, Eis 38
CM, non esse in linca DL; quia
cum recta FD Sc chOrda arCUS, _
cum CD cadat perpendicularicer
In DE; COnCAE CeNEruM aECUS NON
ele in D L, Scd in F L.; idque in
puncto, quod dividit FL, bita-
riam xequalirer, cum angulus ie-
EEuS EDL, Cc Pemicirculi; Sed iam
2d alias rationes venio curlim.
Sexro perpecuus aeris morus facit-
lime disttaree leneam illaM, FCMa-
cemque mareriam, atque 2deo pa-
rallelarum linearum ordinem per-
curbarer; analogiam hrabes in hra-
lieu: Seprimo, lumen in orbem
diffundieur, re conttat ex dictis;
igitur per triangula, nOn PeF Pa-
Lalleloorammiata; ad de quod Cisir
quodlibet punctum lucidi, in si-
perticie policum videaeus, ab Ocu-
Lo, in quolibet puncto plani po-
Cico; haud dubie a singulis licidi
punccis, versus planum converlis,
2d idem plani punctum, eadii emie-
cuntur; hinc omnes per lineas p2-
rallelas non incidunt plano; deinde
quanta curba, quantus crimuleus.
divertorum radiorum, in cundem
Porum concurrentium; quanra di
gladiario inter lineas parallelas;vis
camen hic linearum parallelarum
ordinem leruari; alters analogiam
aqua; Ccd in hac, polca Cmili cmis-
Tione nihil nisi meram varrium co-
Fusionem video; igirur is mitui nOn
est Romachi calor, qui haec con-
les; led AD est maior AB, ve pa- coquere PODIE.
ret; ergo ansulus ADB eAt minoi
Octauo, in corpore polito, pon
ROTUIX