Harriot, Thomas, Mss. 6784

List of thumbnails

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521
521 (261) 		522
522 (261v)
523
523 (262) 		524
524 (262v)
525
525 (263) 		526
526 (263v)
527
527 (264) 		528
528 (264v)
529
529 (265) 		530
530 (265v)
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page |< < (321v) of 862 > >|
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              <s xml:space="preserve">[
                <emph style="bf">Commentary:</emph>
              </s>
            </p>
            <p>
              <s xml:space="preserve"> The verses on this page describe the rules for operating with positive quantities ('more') and negative quantites ('lesse'). The first verse sets out the rules for multiplication. The second and third verses deal with subtraction of a negative quantity from a negative quantity, where the result may be either positive or negative.
                <lb/>
              Like folios Add MS
                <ref target="http://echo.mpiwg-berlin.mpg.de/ECHOdocuView?url=/permanent/library/XT0KZ8QC/&start=640&viewMode=image&pn=645"> f. </ref>
                <ref target="http://echo.mpiwg-berlin.mpg.de/ECHOdocuView?url=/permanent/library/XT0KZ8QC/&start=640&viewMode=image&pn=647"> f. </ref>
              , which follow soon after it, this one appears to be based on Viète's
                <emph style="it">In artem analyticen isagoge</emph>
                <ref id="viete_1591" target="http://gallica.bnf.fr/ark:/12148/bpt6k108865t/f9.image"> (Viete 1591, Chapter IV, Precepts II, </ref>
              . </s>
              <s xml:space="preserve">]</s>
            </p>
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          <p>
            <s xml:space="preserve"> If more by more must needes make more
              <lb/>
            Then lesse by more makes lesse of more
              <lb/>
            And lesse by lesse makes lesse of lesse
              <lb/>
            If more be more and lesse be </s>
          </p>
          <p>
            <s xml:space="preserve"> Yet lesse of lesse makes lesse or more
              <lb/>
            The which is best keep both in store
              <lb/>
            If lesse of lesse thou
              <emph style="super">you</emph>
            wilt make lesse
              <lb/>
            Then pull
              <emph style="super">bate</emph>
            the same from that is </s>
          </p>
          <p>
            <s xml:space="preserve"> But if the same thou
              <emph style="super">you</emph>
            wilt make more
              <lb/>
            Then add the same
              <emph style="super">to it</emph>
            to that is
              <emph style="super">the sign of</emph>
            more
              <lb/>
            The signe
              <emph style="super">rule</emph>
            of more is best to use
              <lb/>
            Except some
              <emph style="super">Yet for some</emph>
            cause the
              <emph style="super">do</emph>
            other choose
              <emph style="super">then it refuse</emph>
              <lb/>
            For
              <emph style="super">So</emph>
              <emph style="super">Yet</emph>
            both are one, for both are true
              <lb/>
            of this inough and so </s>
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