Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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              193</s>
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              <s id="s.002298">Eodem cap.
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              (Velut Diapaſon, & Diapente)
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              quid ſit conſonantia Diapa­
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              ſon, explicaui in primo Poſter. tex. 1. Diapente verò eſt conſonantia ex duo­
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              bus ſonis coaleſcens, quorum proportio ſit vt
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              3. ad 2. quæ dicitur ſeſquialtera. </s>
              <s id="s.002299">v. g. ſint duæ
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              chordæ æqualis craſſitiei,
                <expan abbr="atq;">atque</expan>
              æquè tenſæ: vna
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              tamen habeat ad alteram proportionem ſeſ­
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              quialteram, vt in figura apparet; ſi ſimul pul­
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              ſentur, edent conſonantiam Diapente. </s>
              <s id="s.002300">vulgò autem quinta.</s>
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              <s id="s.002301">
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              Ex Libro de Memoria, & reminiſcentia.
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              194</s>
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              <s id="s.002304">Cap. 1.
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              (Sic meminit eos, qui trianguli, quod duobus rectis æquales)
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              ideſt
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              ſic meminit tres angulos cuiuſuis trianguli ſimul ſumptos æqua­
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              les eſſe duobus angulis rectis ſimul ſumptis. </s>
              <s id="s.002305">lege annotata primo
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              Poſter. ſecto 3. cap. 1.</s>
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              195</s>
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              <s id="s.002308">Cap. 3.
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              (Sunt facilè reminiſcibilia,
                <expan abbr="quæcunq;">quæcunque</expan>
              habent ordinationem aliquam,
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              vt mathemata)
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              hęc Philoſophus dicens ſpectabat ad mirabilem illam, ac per­
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              petuam de monſtrationum connexionem, qua Geometræ omnes, & præci­
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              puè Euclides opera ſua ab initio ad finem vſque, diuino planè ingenij acu­
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              mine deduxerunt.</s>
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            <p type="head">
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              Ex Libro de Somnijs.
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              196</s>
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              <s id="s.002312">Cap. 2.
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              (Cur autem fallimur, cauſa eſt, quoniam non ſolum cum ſenſibile
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              mouetur apparent quælibet, ſed etiam cum ſenſus ipſe mouetur, ſi eodem
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              modo moueatur, quemadmodum à ſenſibili. </s>
              <s id="s.002313">dico autem velut terra vi­
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              detur nauigantibus moueri, dummodo viſus ab alio)
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              reddit rationem,
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              cur nauigantibus videatur terra ipſa moueri, ac retrocedere, non autem
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              ipſi nauigantes, quin potius ipſi ſibi ſtare videantur. </s>
              <s id="s.002314">cauſam igitur eam eſ­
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              ſe ait, quia ex motu nauis, terra ipſa manente, accidit, vt eodem modo im­
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              mutetur ſenſus viſus, ac ſi terra ipſa moueretur, viſus verò quieſceret.
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              </s>
              <s id="s.002315">At cur eodem modo afficitur ſenſus? </s>
              <s id="s.002316">Perſpectiui rationem eſſe dicunt, quia
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              ea, quæ circa oculum ſunt, vt nauis, & ea, quæ in naui ſunt, non mutant ſi­
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              tum reſpectu oculi, quemadmodum facerent, ſi nos ipſi ſine naui progrede­
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              remur. </s>
              <s id="s.002317">arbores autem, & reliqua, quæ in terra ſunt, variant ſitum reſpectu
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              oculi, non ſecus, ac ſi ipſæ arbores retro deferrentur. </s>
              <s id="s.002318">propterea igitur viſus
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              tunc arbores remeare iudicat, quia quæ circa oculum ſunt reſpectu ipſius
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              oculi non mouentur, ſiue non variant ſitum ad ipſum; ex variatione enim
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              ſitus rei reſpectu oculi, percipimus cuiuſuis rei localem motum.</s>
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              197</s>
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            <p type="main">
              <s id="s.002321">Cap. 3.
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              (Quemadmodum igitur, ſi quem lateat ſuppoſitus oculo digitus, non
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              ſolum apparebit, ſed etiam putabitur duo, quod eſt vnum. </s>
              <s id="s.002322">Si verò non lateat appa­
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              rebit quidem, non putabitur tamen)
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              eſt hæc optica deceptio, quæ tunc accidit,
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              cum aliquod obiectum intuentes, interim digito alterum oculum ſurſum
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              pellimus, ita vt oculi propterea varient ſitum reſpectu obiecti, ſiue non </s>
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