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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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20C
DE TAVESTTOATIONE
Fundamento (quod inctar principii citamus in
progressu, si dpertionem ostensire contirmamus,
dicimusque hoc vel illud verum atque certum
esse per Fypochesin, Subjecti nempe de quo agi-
mus; aut per deductionem ad absurdum, quan-
do dicimus, quod est contra Fypochesin) inve-
Sigatio instituenda vene mediorum, per qua
contirmanda est quaesita ratio prasumta, aue
per partes acquilita; tunc peculiares requi-
runtur artis Regulxe, sipuris naturalibus noli-
mus aequiescere. led operx compendium ha-
Beie, quae non minus ac in Losicis incoporisti-
cas e analycicas dictinsui posunt.
I
Ait
b
oleII
D
P
CIIII
pent
Uil
Regula Erporiltica
in Subjectiris Rationibus inrecti-
Sandis.
Si valoris subjectioi rationes quaris; pone
quantumcunque pro quaesito, 5, si Proba
positi, cum datis certis computati, datis
alteris non concruit; assume plus aut
minus, utrum Proba subinnuerit: (5 tan-
dem acu rem attinges.
Scholion.
Processum hunc non tantum arittimetica
Despecus exemplis comprobat; led omnes et
am particulares Disciplina Machematica idem
logren