Alvarus, Thomas
,
Liber de triplici motu
,
1509
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Primi tractatus
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in eadē ꝓportione puta h. et motꝰ a. cõtinuo eſt ma-
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ior: igr̄ cõtinuo motus deꝑditꝰ ab a. eſt in h: ꝓpor-
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tione maior motu deꝑdito a b. et ꝑ ↄ̨ñs a. potentia
<
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cõtinuo velociꝰ in h. ꝓportiõe remittit motū ſuū ̄
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b. / qḋ fuit ꝓbandū: ptꝫ ↄ̨ña ex ṗmo correlario quīte
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cõcluſiõis ſecūdi capitis ſcḋe partꝪ.
<
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xml:space
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">2. correĺ.</
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<
s
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xml:space
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">¶ Seq̇tur ſcḋo /
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vbi aliq̈ poña nõ variata .etc̈. oīs maior ꝑ ſui cõti-
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nuã remiſſionē idē mediū īuariatū trãſeundo cõti-
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nuo vniformiter remittit motū ſuū. </
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<
s
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xml:space
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velociꝰ data potētia minori. </
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<
s
xml:id
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xml:space
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relarii eſt correlariū ſecūde cõcluſiõis huiꝰ capitis
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</
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<
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xml:space
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">Et ſcḋa pars (ſuppoſita hypotheſi eiuſdē correla-
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rii) eandē cū precedenti demonſtrationem affectat
<
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<
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xml:space
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">3. correĺ.</
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xml:space
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">¶ Sequit̄̄ tertio. </
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tinuo mediū nõ variatū trãſeūdo motū ſuū vnifor
<
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miṫ ad nõ gradū remittit: oīs minor hñs ad pūctū
<
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/>
eiuſdē medii initiatiuū in extremo remiſſiori ꝓpor
<
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/>
tionē maioris īequalitatis valet motū ſuū cõtinuo
<
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vniformiter remittere ꝑ ſui cõtinuã remiſſionē. </
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<
s
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xml:space
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hoc cõtinuo ita velociter remittēdo ſicut ipſa potē
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tia maior īuariata. </
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<
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xml:space
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riū quīte cõcluſionis. </
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<
s
xml:id
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xml:space
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">Et ſcḋa demõſtrationē huius
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exq̇rit.
<
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xml:id
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xml:space
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">4. correĺ.</
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>
</
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>
<
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xml:space
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">¶ Seq̇tur q̈rto: vbi aliqua potētia īuaria
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ta mediū īuariatū trãſeundo .etc̈. </
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>
<
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xml:space
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">Oīs minor hñs.
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etc̈. (ſub tenore p̄cedētis). </
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>
<
s
xml:id
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xml:space
="
preserve
">Et hoc cõtinuo velociꝰ re-
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mittēdo motū ſuū ꝙ̄ potētia maior īuariata.
<
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position
="
left
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note-0089-04
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xml:id
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xml:space
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">5. correĺ.</
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>
</
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<
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xml:space
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">¶ Se
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quit̄̄ quīto: vbi aliqua poña īuariata .etc̈. (ſub te
<
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nore ſexte cõcluſionis). </
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<
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xml:id
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xml:space
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">Et hoc cõtinuo tardiꝰ poña
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minore remittente quaꝫ poña maior īuariata. </
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duo correlaria facile ex dictis oſtenſionē accipiūt
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manifeſtã </
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<
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xml:space
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">¶ His adde / tot correlaria et cõcluſiões
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poſſunt īferri et demõſtrari de intēſione motꝰ cõti-
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nuo vniformi in medio īuariato, ſicut de remiſſiõe
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</
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">Quēadmodū em̄ dictū eſt / vbi aliqua potētia in
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uariata mediū īuariatū trãſeundo vniformiter cõ
<
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tinuo remittit motū ſuū a certo gradu vſ ad non
<
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gradū: aliqua maior ꝑ ſui cõtinuam intēſionē vni-
<
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formiter cõtinuo valet motū ſuū remittere idē me-
<
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diū trãſeundo. </
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<
s
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">ita etiã poteſt poni talis cõcluſio
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vbi potētia aliqua īuariata aliqḋ mediū trãſeūdo
<
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īuariatū, vniformiter ↄ̨tinuo motū ſuū a nõ gradu
<
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/>
vſ ad certū gradū intendit: aliqua poña maior ꝑ
<
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/>
ſui cõtinuã remiſſionē valet motū ſuū cõtinuo vni-
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formiter intēdere idē mediū īuariatū tranſeundo.
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</
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>
<
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xml:space
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">Et iſto modo multa ſimilia poteris inferre. </
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<
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">Que
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oīa predictorum auxilio ſuam ſortiuntur oſtenſio-
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nem ſiue demonſtrationem.</
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>
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head
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xml:space
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">Capitulum nonum / quod obiicit cõcluſioni
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bus duoꝝ p̄cedentium capitum.</
head
>
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<
s
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xml:space
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">COntra ſcḋaꝫ ↄ̨̨cluſionē ſepti-
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mi capitis argr̄ ſic: q2 illa cõcluſio eſt ī-
<
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/>
poſſibilis: igr̄ nõ eſt bene poſita. </
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>
<
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xml:space
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">Pro-
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batur añs: q2 ſi illa poſſet verificari maxīe eſſet in
<
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caſu poſito ad eã oſtendendã capite ſeptimo: ſed in
<
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/>
illo caſu m mobile / qḋ cõtinuo mouet̄̄ ꝑ mediū dif
<
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/>
forme cõtinuo mouet̄̄ cū minori reſiſtētia quã mo-
<
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/>
bile primū / qḋ mouet̄̄ ꝑ mediū 6vniforme: igit̄̄ illud
<
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/>
mobile m, qḋ mouet̄̄ in illo ſcḋo medio difformi
<
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/>
cõtinuo velociꝰ mouet̄̄ quã primū mobile in illo ca
<
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/>
ſu illiꝰ cõcluſionis: et ꝑ ↄ̨ñs in tali caſu m mobile
<
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nõ vniformiter remittit motū ſuū. </
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<
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">Probat̄̄ minor /
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q2 cõtinuo vna medietas ſcḋi mobilis qḋ in medio
<
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difformi mouet̄̄ cū minori reſiſtētia mouet̄̄ quã cor
<
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reſpõdēs medietas alteriꝰ mobilis in ṗmo medio:
<
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/>
et ſcḋa medietas ſcḋi mobilis cõtinuo mouet̄̄ cū re-
<
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/>
ſiſtētia eq̈li aut minori quã correſpõdēs medietas
<
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/>
alteriꝰ mobilis qḋ mouet̄̄ in ṗmo medio: igr̄ cõti-
<
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/>
nuo m mobile mouet̄̄ cū minori reſiſtētia in ſuo ſe
<
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Capitulum nonū.
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cūdo medio difformi quã motū ī ṗmo medio. </
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>
<
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<
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batur añs / q2 ex caſu ibi poſito cõtinuo vnꝰ punctꝰ
<
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ad quē eſt mobile in illo medio difformi tantū reſi
<
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/>
ſtit adequate ſicut q̇libet punctꝰ ṗmi medii: et nullꝰ
<
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/>
aliꝰ tm̄: igr̄ tota vna medietas ſcḋi mobilis ꝓpin-
<
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/>
quior videlicet pūcto remiſſiori mouet̄̄ cõtinuo cū
<
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/>
minori reſiſtētia quã correſpõdēs medietas mobi
<
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/>
lis / qḋ mouet̄̄ in ṗmo medio: et ſcḋa medietas ſcḋi
<
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/>
mobilis nõ hꝫ tantã reſiſtentiã quantã hꝫ correſpõ
<
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/>
dens medietas mobilis in ṗmo medio niſi in vno
<
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/>
pūcto puta in quo eſt extremitas ipſiꝰ ſecūdi mobi
<
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/>
lis / vt ponit caſus: igr̄ continuo vna medietas ſcḋi
<
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/>
mobilis / qḋ in medio difformi mouet̄̄ cū minori re-
<
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ſiſtentia mouet̄̄ quã correſpõdēs medietas alteriꝰ
<
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mobilis in ṗmo medio: et ſcḋa medietas ſecūdi mo
<
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bilis cõtinuo mouet̄̄ cū reſiſtētia equali aut mino-
<
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ri quã correſpõdēs medietas alteriꝰ mobilis / quod
<
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mouet̄̄ in ṗmo medio: qḋ fuit ꝓbandū.
<
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xml:id
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xml:space
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">Dicitur.</
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>
</
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<
s
xml:id
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xml:space
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">¶ Dices for
<
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te negãdo minorē: et ad ꝓbationē: dices breuiṫ ar-
<
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guentē ſupponere falſū. </
s
>
<
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xml:id
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xml:space
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">Supponit em̄ / mobilia
<
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de quibꝰ ſit mētio in caſu illiꝰ cõcluſiõis ſint quãta
<
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ſiue diuiſibilia quo ad trinã dimēſionē: et hoc (vt in
<
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/>
quis) eſt falſū: q2 loq̄ris de mobili īdiuiſibili vĺ ſal
<
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tē lineali. </
s
>
<
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">Et de talibus non procedit argumentū.</
s
>
</
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<
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<
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xml:space
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">Sed ↄ̨̨tra qm̄ hoc nõ ſoluit argumē-
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tū.
<
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xml:id
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xml:space
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">pḣs ſex-
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to phiſi.
<
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ṗmo de
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gñatiõe.</
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>
</
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>
<
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xml:space
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">Tū ṗmo / q2 īdiuiſibile nõ eſt ꝓprie mobile ſcḋm
<
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pḣm ſexto phiſicoꝝ: et ṗmo de gñatiõe. </
s
>
<
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xml:space
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">Tū ſcḋo / q2
<
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m mediū cõtinuo minꝰ reſiſtit illi mobili quã pri-
<
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mū reſiſtat ṗmo mobili / eſto / ſint illa mobilia īdi
<
lb
/>
uiſibilia: igr̄ ponere illa mobilia īdiuiſibilia non
<
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/>
ſoluit argumentū: et ꝑ ↄ̨ñs ſolutio nulla. </
s
>
<
s
xml:id
="
N18BCC
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xml:space
="
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">Probat̄̄
<
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añs / qm̄ cõtinuo tota pars ꝑtrãſeunda ipſiꝰ ſecūdi
<
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/>
medii minꝰ reſiſtit ſuo mobili quã cõſimilis pars
<
lb
/>
in primo medio reſiſtat mobili / qḋ in eo mouet̄̄: et
<
lb
/>
ſole ille partes diuidende ſiue ꝑtrãſeunde reſiſtunt
<
lb
/>
illis mobilibꝰ: igr̄ m mediū cõtinuo minꝰ reſiſtit
<
lb
/>
illi mobili quã primū reſiſtat ṗmo mobili. </
s
>
<
s
xml:id
="
N18BDB
"
xml:space
="
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">Maior
<
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/>
ꝓbatur / q2 p̄ciſe vnū punctū illiꝰ partis ad qḋ vide
<
lb
/>
licet eſt illud mobile reſiſtit tm̄ ſicut qḋlibet punctū
<
lb
/>
partis correſpõdētꝪ in ṗmo medio: et qḋlibet alioꝝ
<
lb
/>
pūctoꝝ in eadē parte ſcḋi medii minꝰ reſiſtit quam
<
lb
/>
qḋlibet pūctū correſpõdēs in ṗmo medio: vt ptꝫ ex
<
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/>
caſu. </
s
>
<
s
xml:id
="
N18BEA
"
xml:space
="
preserve
">Nã in illo caſu ponit̄̄ / cū in priori medio fue
<
lb
/>
rit aliq̈ reſiſtētia ꝑ totū: in ſolo pūcto vbi eſt mobi
<
lb
/>
le in ſcḋo medio ſit adeq̈te tanta reſiſtentia ceteris
<
lb
/>
īuariatis: igr̄ pars ꝑtrãſeūda in ſcḋo medio minꝰ
<
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/>
reſiſtit quã correſpõdens pars in primo medio. </
s
>
<
s
xml:id
="
N18BF5
"
xml:space
="
preserve
">Et
<
lb
/>
minor ꝓbat̄̄ / q2 ꝑ te ideo ponit̄̄ mobile indiuiſibile
<
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/>
ne partes ſequētes ei reſiſtēt. </
s
>
<
s
xml:id
="
N18BFC
"
xml:space
="
preserve
">Et ſi dicas / ei reſi-
<
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ſtãt: cū ſint minoris reſiſtētie in ſcḋo medio quã in
<
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/>
ṗmo: ſemꝑ habebo / m mediū minꝰ reſiſtit quam
<
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/>
primū / qḋ īferre intēdebã.
<
note
position
="
right
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xlink:href
="
note-0089-07a
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xlink:label
="
note-0089-07
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xml:id
="
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"
xml:space
="
preserve
">Dicitur.</
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>
</
s
>
<
s
xml:id
="
N18C0A
"
xml:space
="
preserve
">¶ Dices forte ṗmo ad au
<
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/>
ctoritatē pḣi / ipſe loq̇tur de mobili ꝓprie. </
s
>
<
s
xml:id
="
N18C0F
"
xml:space
="
preserve
">Tum
<
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/>
etiã / q2 poſſūt illa mobilia ſignari linealia. </
s
>
<
s
xml:id
="
N18C14
"
xml:space
="
preserve
">Ad ali
<
lb
/>
ud dices negãdo añs vcꝫ / m mediū minꝰ reſiſtat
<
lb
/>
ſuo mobili: et ad punctū ꝓbatiõis dices / arguēs
<
lb
/>
ſupponit falſū. </
s
>
<
s
xml:id
="
N18C1D
"
xml:space
="
preserve
">Supponit em̄ / ille ꝑtes oēs ꝑtrã
<
lb
/>
ſeūde reſiſtãt reſiſtētia accidētali: qḋ tu nõ cõcedis.
<
lb
/>
<
note
position
="
right
"
xlink:href
="
note-0089-08a
"
xlink:label
="
note-0089-08
"
xml:id
="
N18C4A
"
xml:space
="
preserve
">Calcu. in
<
lb
/>
capite de
<
lb
/>
reactiõe.</
note
>
Nõ em̄ in motu locali aut diuiſiõis oēs ꝑtes illius /
<
lb
/>
qḋ diuidit̄̄ reſiſtūt / vt dicit calculator in capitulo de
<
lb
/>
reactiõe ſoluēdo quartū experimentū </
s
>
<
s
xml:id
="
N18C2D
"
xml:space
="
preserve
">Et ideo (vt in
<
lb
/>
quis) ſolꝰ pūctꝰ ꝑtrãſeūdꝰ reſiſtit mobili, ſiue linea
<
lb
/>
diuidēda q̄ linea in vtro medio eſt eq̈lis reſiſtētie</
s
>
</
p
>
<
p
xml:id
="
N18C54
">
<
s
xml:id
="
N18C55
"
xml:space
="
preserve
">Sed ↄ̨̨tra. </
s
>
<
s
xml:id
="
N18C58
"
xml:space
="
preserve
">Tū primo / q2 nullū mediū
<
lb
/>
reſiſtit alicui indiuiſibili quo ad localē mutationē
<
lb
/>
</
s
>
<
s
xml:id
="
N18C5E
"
xml:space
="
preserve
">Non em̄ mediū reſiſtit mutationi locali niſi q2 reſi
<
lb
/>
ſtit ſue diuiſioni. </
s
>
<
s
xml:id
="
N18C63
"
xml:space
="
preserve
">Modo īdiuiſibile nõ diuidit me-
<
lb
/>
diū vt illud ꝑtrãſeat: cū ſimĺ poſſet eſſe cū quolibet </
s
>
</
p
>
</
div
>
</
div
>
</
div
>
</
div
>
</
text
>
</
echo
>