Heron Alexandrinus, Mechanica, 1900

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    <archimedes>
      <text>
        <body>
          <chap n="1">
            <p n="26">
              <s id="A18-1|26|07">
                <pb n="75"/>
              ٓآه وَ۪ٓهٓت يَنالُها نِصف ٓeٓب </s>
              <s id="A18-1|26|08">وَ۪نِصف ٓآe وَ۪نِصف ٓهٓب وَ۪نِصف ٓآه وَ۪نِصف ٓeٓب هُوَ جَميع ٓآب وَ۪هُوَ اَل۪مَوضوع عَلى جَميع اَل۪أَساطين </s>
              <s id="A18-1|26|09">وَ۪اِن كانَت اَل۪أَساطين أَكثَر فَ۪إِنّا بِ۪هٰذا اَل۪عَمَل نَعرِف كَم يَنال كُلّ واحِدَة مِنها مِن اَل۪ثِقل </s>
            </p>
            <p n="27">
              <s id="A18-1|27|00"/>
              <s id="A18-1|27|01">وَ۪إِذا كانَ هٰذا هَكَذا فَ۪ل۪نَفرِض قَوائِم ٓآب ٓغٓد مُتَساوِيَة اَل۪وَضع </s>
              <s id="A18-1|27|02">وَ۪ل۪يَكُن عَلَيها جِسم ما مُتَساوي اَل۪عُظم وَ۪اَل۪ثِقل وَ۪هُوَ ٓآغ </s>
              <s id="A18-1|27|03">وَ۪قَد كُنّا قُلنا أَنَّ كُلّ واحِدَة مِن قائِمَتَي ٓآب ٓغٓد يَنالُها نِصف ثِقل ٓآغ </s>
              <s id="A18-1|27|04">فَ۪ل۪نَنقُل قائِمَة ٓغٓد وَ۪نُقَرِّبُهُ إِلى ٓآب وَ۪ل۪يَكُن مَوضِع ٓeٓز وَ۪نُريد اَن نَعلَم أَيضاً أَيّ شَيء يَنال ٓآب ٓeٓز مِن اَل۪ثِقل </s>
              <s id="A18-1|27|05">فَ۪نَقول إِنَّ بُعد ٓآe إِمّا اَن يَكون مُساوِياً لِ۪بُعد ٓeٓغ وَ۪إِمّا اَن يَكون أَصغَر مِنهُ وَ۪إِمّا اَن يَكون أَعظَم مِنهُ </s>
              <s id="A18-1|27|06">فَ۪ل۪يَكُن أَوَّلاً مُساوِياً لَهُ فَ۪يَظهَر لَنا أَنَّ ثِقل ٓآe يُعادِل ثِقل ٓeٓغ </s>
              <s id="A18-1|27|07">فَ۪اِن نَحنُ أَخرَجنا قائِمَة ٓآب يُقيم ثِقل ٓآغ ثابِتاً عَلى حالِهِ فَ۪يَظهَر لَنا أَنَّ قائِمَة ٓآب لَم يَكُن يَنالُها مِن اَل۪ثِقل شَيء وَ۪إِنَّما كانَ ثِقل ٓآغ عَلى ٓeٓز وَحدَها </s>
              <s id="A18-1|27|08">فَ۪اِن كانَ بُعد ٓغٓe أَعظَم مِن بُعد ٓeٓا فَ۪إِنَّ ثِقل ٓآغ يَنحِطّ إِلى ما يَلي ٓغ </s>
              <s id="A18-1|27|09">فَ۪ل۪يَكُن بُعد ٓeٓغ أَصغَر مِن بُعد ٓeٓا وَ۪ل۪يَكُن ٓغٓe مُساوِياً لِ۪ٓeٓه فَ۪إِذاً ٓغٓه يَكون مُعتَدِلاً عَلى ٓeٓز وَحدَها </s>
              <s id="A18-1|27|10">وَ۪ل۪نَضَع رُكناً ما عَلى ٓهٓت فَ۪اِن تَوَهَّمنا أَنَّ جَميع اَل۪ثِقل قَد فُصِلَت عَلى عَلامَة ٓه فَ۪إِنَّ </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>