Valerio, Luca, De centro gravitatis solidorvm libri tres

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              LMN, ſimul centrum grauitatis. </s>
              <s>Quod demonſtran­
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              dum erat. </s>
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              ALITER.
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              <s>Poſito enim R centro grauitatis duarum
                <expan abbr="magnitudinũ">magnitudinum</expan>
              G,
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              H, & S
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              L,M, vel punctum V cadit in puncto E, vel in
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              linea EB, vel in linea AE, ſi in puncto E vel in linea EB,
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              cum igitur T ſit
                <expan abbr="centrũ">centrum</expan>
              grauitatis trium
                <expan abbr="magnitudinũ">magnitudinum</expan>
              G,H,I
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              ſimul, & E ipſius I, erit punctum T propinquius termino
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              A quàm punctum V. </s>
              <s>Sed punctum V in linea AE cadat.
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              <s>Veligitur S centrum grauitatis duarum magnitudinum L,
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              M, ſimul cadit in puncto D, ſiue in linea DB, vel in li­
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              nea AD. ſi in puncto D, vel in linea DB; centrum gra­
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              uitatis R duarum magnitudinum GH erit termino A
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              propinquius quàm ipſum S, & recta ER maior quàm ES,
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              Sed cadat punctum S in linea AD. </s>
              <s>Quoniam igitur ma­
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              ior eſt proportio G ad H, quàm L ad M: & vt G ad H,
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              ita eſt DR ad RG, & vt L ad M, ita PS ad SO, ma­
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              ior erit proportio DR ad RC, quàm PS ad SO; mul­
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              to ergo maior DR ad RC, quàm DS ad SO, & multo
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              maior quàm DS ad SC, & componendo maior propor­
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              tio DC ad CR, quàm DC ad CS; erit igitur CR mi­
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              nor quàm CS, atque adeo RD maior DS, addita igitur
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              ED communi, erit ER maior quàm ES. </s>
              <s>Rurſus quia
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              componendo, & ex æquali maior eſt proportio totius GH
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              ad I quàm totius LM ad N, hoc eſt maior longitudinis
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              ET ad TR, quàm QV ad VS, & multo maior quàm </s>
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