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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
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DE LAVESTEGATIONE
exaemisso Sylloismo, minoris probatione
Demonstratio peragitur B.M. F19. 72.
Componatur directio lateris CA, respectur
laceris continuati BD. cum directione laceris
B A. ut sic ejusdem Formaliter; P. C. concipia.
cur latus C A. Simititer aut aeque aC latuS B A,
a 6D. declinare, berviter; angulos ABC. 8
LCD. aequari per hypoch. Oppolitivam; e nun-
quam concurrent latera B A. _ C A, per noulv
errosar; quod est contra hypochelin subjecti.
vam criansuli. Diridantur urraque posicio
nes Formaliter. I. c. concipratur angulus AC D.
minor quam BC, per hypochelim oppositi-
vam; de multominus concurrent latora, ledhoc,
C. 4. semper humilius, alterum AB. Cemper ela-
tuS, prexredietur, per noculu Ervorar: id quod
actiuc masisrepuonac hypocheli Cubjecra.
Quodad alterum anSLLIM ITOFHUIT SC OPPO-
lcum A. ACtInet PI5. 73. CONTIMuETE AC. in X.
a angulus BC X. eric major ansulo B AC. per de-
mon. P: xmiltam; huic autem BC X. verricalis
est ansulus ACD. Per Sructuram. F.. 20811
lus AC D. major angulo B AC. Per PTOP. 150
Q F. D.
Hoc ipsum principium pro Axiomate 13.
Fuclidis substitui, ee inde linearum paraslelarum
propriecates multo clarius, quam rulso, deduci
postunt. Achibicis namque propol. 13. _ 15.
alterriorum ee oppolitorum ansulorum aequa
licas nullo nesoriosdemontratire PaCEF.
Scho-
2qu
MM PI
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MIII.
Iadia
bis ue
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Rario
THI
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