Borro, Girolamo, De motu gravium et levium, 1575

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                <s id="s.000849">
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                geſimaquarta explicaretur. </s>
                <s id="s.000850">Dixerat enim Democritus: ſi
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                ſpacium inter nos, & cælum interceptum eſſet inane, formi­
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                ca quantumuis parua, ſi eſſet in cælo videretur: Aduerſus
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                quam Democriti ſententiam Ariſtoteles hac ratione agit.
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                Per medium ſpacium inane nullæ ſpecies multiplicantur:
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                ſed ſpacium inter nos, & cælum interceptum eſt inane, vt De
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                mocrito falsò arriſit: ergo in eo nullæ ſpecies multiplicantur:
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                at ſine ſpeciebus per medium multiplicatis nihil ſpectatur; er­
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                go ſpacio inani inter nos, & cælum intercepto, ſi formica in
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                cælo eſſet, nulla certè ratione videri poſſet: Hoc
                  <expan abbr="argumẽtum">argumentum</expan>
                ,
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                & efficacissimum illius robur ex medij pleni necessitate pen­
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                det; ſine quo nihil videtur; vt ſine pleno medio elementa non
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                mouentur.
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                <s id="s.000852">
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                At ſi vera eſſet istorum ſententia; qui medij pleni neceſ­
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                ſitatem tollere audent, huius efficacissimi argumenti exitus
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                nullo negocio explicaretur. </s>
                <s id="s.000853">Nam ſi elementa non in momen­
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                to, ſed in tempore per ſpacium inane mouerentur, idque illis
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                accideret non ratione reſistentiæ, quæ in vacuo nulla est, ſed
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                ratione terminorum magnopere diſtantium; ita & ſpecies,
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                per hoc medium inane ſpacium ratione vacui, licet multipli­
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                cari non valerent; ratione tamen terminorum ab inuicem di­
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                stantium multiplicari poſſent. </s>
                <s id="s.000854">Affirmant enim elementa,
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                per medium inane propter vtriuſque termini diſtantis reſiſten
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                tiam in tempore moueri, non propter eam reſiſtentiam, quæ
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                ex medio pleno oriri deberet; quod plenum in vacuo deſidera­
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                tur: ita & ſpacium, quod non est plenum, cuius tamen ter­
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                mini distant, non in momento, ſed in tempore illuminatum,
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                ſpecies per ipſum multiplicatas acciperet.
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              <p type="main">
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                Tertio inanis eſſet Platonis
                  <expan abbr="demõſtratio">demonſtratio</expan>
                in Timæo, quam
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                vſurpat Ariſtoteles libro quarto Phyſicorum particula ſexa
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