Aristoteles; Strato <Lampsacenus>; Theophrastus, De coloribvs libellvs

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              <pb o="46" file="0052" n="52" rhead="SIM. PORTII COMMENTAR."/>
            quod lateri inerat, excernitur, & </s>
            <s xml:id="echoid-s1273" xml:space="preserve">combu-
              <lb/>
            ritur.</s>
          </p>
          <p>
            <s xml:id="echoid-s1274" xml:space="preserve">Inſtituerat author tractare de coloribus ſimplici-
              <lb/>
            bus, docuítque album ſequi corpora ſimplicia, ni-
              <lb/>
            grum verò elementa, cum inter ſe mutuò alterantur.
              <lb/>
            </s>
            <s xml:id="echoid-s1275" xml:space="preserve">deinde, quoniam nigrum aliud eſt apparens, aliud na
              <lb/>
            tura; </s>
            <s xml:id="echoid-s1276" xml:space="preserve">primùm cœpit enarrare cauſas nigri ſecundum
              <lb/>
            apparentiam, atque hactenus duas explicauit, quæ-
              <lb/>
            dam ſcilicet propter paucum & </s>
            <s xml:id="echoid-s1277" xml:space="preserve">i efractum lumen, ap
              <lb/>
            parere nigra: </s>
            <s xml:id="echoid-s1278" xml:space="preserve">quędam rurſus, propter profunditatem,
              <lb/>
            nullum ad oculum deferre lumen. </s>
            <s xml:id="echoid-s1279" xml:space="preserve">ſed cùm lumen ſit
              <lb/>
            ignis color, velut demonſtratum fuit, paulatim ipſa
              <lb/>
            rei ſeries authorem deduxit, vt de aduſtis ab igne di-
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            ſputaret. </s>
            <s xml:id="echoid-s1280" xml:space="preserve">atq. </s>
            <s xml:id="echoid-s1281" xml:space="preserve">ita iam aggreditur tertiã cauſam quam
              <lb/>
            primo loco propoſuerat, quęrẽs quare quædam ſunt
              <lb/>
            nigra natura. </s>
            <s xml:id="echoid-s1282" xml:space="preserve">Itaque alio ordine explicuit, atque pro
              <lb/>
            poſuerat. </s>
            <s xml:id="echoid-s1283" xml:space="preserve">cuius rei hæc fortaſſe fuerit cauſa, quòd vt
              <lb/>
            Ariſtoteles præcipit, primò ordiendum ſit ab eo, vn-
              <lb/>
            de facilior ſit diſciplina, puta ab iis, quę nobis ſunt no
              <lb/>
            tiora. </s>
            <s xml:id="echoid-s1284" xml:space="preserve">facilius quippe cognoſcitur cauſa, ob quam ni-
              <lb/>
            gra appareant, quæ paucum, aut rarum habent lumẽ: </s>
            <s xml:id="echoid-s1285" xml:space="preserve">
              <lb/>
            quàm quare ſint natura nigra ea, quæ nullum emit-
              <lb/>
            tunt lumen. </s>
            <s xml:id="echoid-s1286" xml:space="preserve">cauſæ enim huius nigredinis ſunt ocul-
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            tæ. </s>
            <s xml:id="echoid-s1287" xml:space="preserve">Aggreditur itaque ea, quæ ſunt natura nigra, & </s>
            <s xml:id="echoid-s1288" xml:space="preserve">
              <lb/>
            inquit,
              <emph style="sc">NIGRVM</emph>
            autem colorẽ fieri contingit, cùm
              <lb/>
            aër, & </s>
            <s xml:id="echoid-s1289" xml:space="preserve">aqua ab igni comburuntur. </s>
            <s xml:id="echoid-s1290" xml:space="preserve">& </s>
            <s xml:id="echoid-s1291" xml:space="preserve">ſignanter dixit,
              <lb/>
              <emph style="sc">CONTINGIT</emph>
            fieri, & </s>
            <s xml:id="echoid-s1292" xml:space="preserve">non, apparere: </s>
            <s xml:id="echoid-s1293" xml:space="preserve">quoniam loquitur
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            de vero colore nigro, qui ſua natura talis eſt. </s>
            <s xml:id="echoid-s1294" xml:space="preserve">Atque
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            hinc collige, nigrum eſſe re ipſa colorem, & </s>
            <s xml:id="echoid-s1295" xml:space="preserve">vt ho-
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            die loquimur, poſitiuum: </s>
            <s xml:id="echoid-s1296" xml:space="preserve">non autem tantúm luminis
              <lb/>
            priuationem, velut iam quoque dictum fuit. </s>
            <s xml:id="echoid-s1297" xml:space="preserve">Cauſa
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            autem eſt, cùm aër, & </s>
            <s xml:id="echoid-s1298" xml:space="preserve">aqua comburuntur, ſcilicet </s>
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