Jordanus de Nemore, [Liber de ratione ponderis], 1565
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                b, aequale ei, quod ex ductu a, e in b, z. </s>
                <s id="id.2.14.03.02">er
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                go quod ex ductu d, in c, b, bis aequale ei
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                quod ex ductu a, e, in z, b, bis, et hoc est
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                in totum a, c, ergo quod es d, in c, b, bis
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                cum quadrato e, b, est aequale ei, quod ex
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                a, e. </s>
                <s id="id.2.14.03.03">in a, c, cum quadrato c, b, sed quod
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                ex a, e, in a, c, cum quadrato c, b, ualent
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                quadratum a, b, per primam, et quartam
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                secundi Euclidis, in materijs igitur quod
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                ex ductu d, in c, b, bis cum quadrato c, b,
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                ualent quadratum, a, b, sed quod ex du­
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                ctu d, in c, b, bis cum quadrato c, b, est, quoddam datum cum d, et c, b, sint
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                data ergo quadratum a, b, est datum: ergo eius radix, scilicet a, b, est da­
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                ta, cum sit datum quod fit ex d, in b, c, erit et quod ex z, b, in e, a, datum.
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                <s id="id.2.14.03.04">quare et quod ex z, b, m, z, e, quorum cum sit differentia data, erit utrun­
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                que eorum datum: sicque tota a, b, c. data hoc opus est, ut ei quod fit ex d,
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                in b, c, bis addatur quadratum b, c, et compositi radix erit a, b. </s>
                <s id="id.2.14.03.05">In hac non
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                ponderandi ratione hic incidunt generalia, scilicet quód quadratum d, c, b,
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                est tanquam quadratum d, et quadratum b, a. </s>
                <s id="id.2.14.03.06">Quod enim fit ex d, in c, b,
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                bis est quadratum, quod ex tota c, a, in ea, quare ex d, in c, b, bis cum qua­
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                drato c, b, est quantum quadratum b, a. </s>
                <s id="id.2.14.03.07">Quadratum ergo d, c, b, ut quadra­
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                ta d, et b, a, amplius quod fit ex d, c, h, in c, b. bis est, ut quadratum c, b,
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                et quadratum b, a, quod enim fit ex d, in c, b, bis cum quadrato c, b, est, ut qua­
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                dratum b, a, quare quod est d, in c, b, bis cum quadrato c, b, bis et hoc est
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                quod fit ex d, c, b, in c, b, bis erit, ut quadrata b, a, et b, c. amplius quadratum
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                d, c, b, et quod fit ex d, c, b, in c, b, a, bis est, ut quadrata c, b, a, et d, b, a, erit
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                h, quadratum d, c, b, et quod fit bis ex d, c, b, in c, b, tamquám quadrata d,
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                et b, a, et b, a, et b, e, et tunc fit bis, ex d, c, b, in b, a, est ut quod est, d, at­
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                que c, b, in b, a, bis, et sic patet, quod dicitur.
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                <s id="id.2.15.00.01">Quaestio quartadecima.
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                <s id="id.2.15.01.01">Quod si pondus datum sit, et pars opposita, data similiter o­
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                mnia data erunt.
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                <s id="id.2.15.02.01">Eadem ubique depositio, et d, atque b, a, data sunt, et quadrata eo
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                rum coniuncta data erunt, quae sunt, ut quadratum d, c, b, cuius radix
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                quae est d, c, b, data erit. </s>
                <s id="id.2.15.02.02">dempto ergo d, relinquitur c, b, datum, et sic
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                ota a, b, c, data erit.</s>
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