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# Title: Qua Continentur, Oratio Inauguralis. Mathesis Universalis; sive, Arithmeticum opus Integrum, tum Numerosam Arithmeticam tum Speciosam complectens. Adversus Meibomii, de Proportionibus Dialogum, Tractatus Elencticus (shelfmarks Leibn. Marg. 84:1, Stück 1; Leibn. Marg. 84:1)
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L HL. 22:
Divisionis Pocreinum.
clinationem minuicur, canco alcer proxrer reclinationem ay
Berur; quodq;e huic accedie illi auteriur. Similicer, aneulus
ABC acucus est, quippe recto minor; ABH obculus, quippe
recto maior. Rc similicer alias.
Paralleloerammum aucem Rectanculum, si latera habeat omnia in-
vicem aequalia, Duadratum dicitur; quale et, in Agura cerria, ADBF. d
sinminus Obloneum; quale cMt figura Prima AB.
29G
Parlleloerammum vero Obliguaneulum (hoc eAt, cujus anculi sune
obliqui) si latera habeat omnia invicem aequalia, Rhombus dicitur; ve
un tipura certia, ODBC: Sinsecus, Rhomboides; ue tigura lecun-
da C.D.
Continerivero vel comprehendi dicitur Parallelocrammum Re-
etancutum (sive quadracum sc, sire oblongum,) duabus rectis li
neis quae rectum comprehendunt anculum. Detiniente Puelide +d2.
Non quidem eo Pensu quo ipse alibi nesat, duabus rectis lineis
spacium comprehendi; C non enim duabus sed quacuor rectis hoc
sensuparallelorremmum continetur, hoc ett, ambitur sive
undiguaque concluditur;) sed quia duabus illis parallelogram
mi rectanculi spacium sire area decerminatur, quippe altera
Ponpicudinem, alcera lacicudinem decerminat Acin Parallelo-
prammis Obliguangulis, secus eA: non duabus rectis circa an-
gulorum obliquorum quodris policis decerminabicur inlus pa-
Falleloerammimagnicudo; Led major, minorve erit, prouc ob-
liguicas minor majorre fuerit; adeog; praeter rectarum lonoi-
cudinem, anguli etiam sire obliquicatis decerminatione opus
erir, uc decerminecur Parallelogrammi magnicudo. EE pro-
peerea, neq; in hac definitione, nec (quancum memini) apud
Fuclidem alibi, Parallelogrammum Obliguangulum duabus
ejulmodi circa ipsius quodvisangulum politis contineri dici
cur. Si cui vero sc libeat loqui, anguli pracerea mentionem
TaCeTE