Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              tion given us by
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              Salviatus
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              ; yet do I not find that my Logick, </s>
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              <s>
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              whilſt I have a regard to form, teacheth me, that that kind of
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              gumentation affords me any neceſſary reaſon to conclude in
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              vour of the
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              Copernican
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              Hypotheſis, that is, of the ſtability of
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              the Sun in the centre of the Zodiack, and of the mobility of
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              the Earth under its circumference. </s>
              <s>For although it be true, that
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              the ſaid converſion of the Sun, and cirnition of the Earth being
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              granted, there be a neceſſity of diſcerning ſuch and ſuch ſtrange
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              extravagancies as theſe in the ſpots of the Sun, yet doth it not
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              follow that arguing
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              per converſum,
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              from finding ſuch like
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              uſual accidents in the Sun, one muſt of necſſity conclude the
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              Earth to move by the circumference, and the Sun to be placed
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              in the centre of the Zodiack. </s>
              <s>For who ſhall aſſertain me that the
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              like irregularities may not as well be viſible in the Sun, it being
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              moveable by the Ecliptick, to the inhabitants of the Earth, it
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              being alſo immoveable in the centre of the ſame? </s>
              <s>Unleſſe you
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              demonſtrate to me, that there can be no reaſon given for that
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              pearance, when the Sun is made moveable, and the Earth ſtable,
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              I will not alter my opinion and belief that the Sun moveth, and
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              the Earth ſtandeth ſtill.</s>
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              Though the
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              nual motion
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              ed to the Earth
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              ſwerth to the
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              nomena
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              of the
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              lar ſpots, yet doth
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              it not follow by
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              verſion that from
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              the
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              Phænomena
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              of
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              the ſpots one may
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              infor the annual
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              motion to belong to
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              the Earth.
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              <s>SAGR.
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              Simplicius
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              behaveth himſelf very bravely, and argueth
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              very ſubtilly in defence of the cauſe of
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              Ariſtotle
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              and
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              Ptolomy
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              ;
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              and if I may ſpeak the truth, mythinks that the converſation of
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              Salviatus,
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              though it have been but of ſmall continuance, hath
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              much farthered him in diſcourſing ſilogiſtically. </s>
              <s>An effect which
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              I know to be wrought in others as well as him. </s>
              <s>But as to finding
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              and judging whether competent reaſon may be rendered of the
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              apparent exorbitancies and irregularities in the motions of the
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              ſpots, ſuppoſing the Earth to be immoveable, and the Sun
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              moveable, I ſhall expect that
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              Salviatus
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              manifeſt his opinion to
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              us, for it is very probable that he he hath conſidered of the
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              ſame, and collected together whatever may be ſaid upon the
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              point.</s>
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              <s>SALV. </s>
              <s>I have often thought thereon, and alſo diſcourſed
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              thereof with my Friend and Gueſt afore-named; and touching
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              what is to be produced by Philoſophers and Aſtronomers, in
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              fence of the ancient Syſteme, we are on one hand certain,
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              tain I ſay, that the true and pure
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              Peripateticks
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              laughing at ſuch
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              as employ themſelves in ſuch, to their thinking, inſipid
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              ries, will cenſure all theſe
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              Phænomena
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              to be vain illuſions of the
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              Chriſtals; and in this manner will with little trouble free
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              ſelves from the obligation of ſtudying any more upon the ſame.
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              </s>
              <s>Again, as to the Aſtronomical Philoſophers, after we have with
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              ſome diligence weighed that which may be alledged as a mean
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              between thoſe two others, we have not been able to find out an </s>
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