garage/doc/talks/2023-01-18-tocatta/assets/latticeB_10.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->

<svg
   width="1000"
   height="600"
   viewBox="0 0 264.58333 158.75"
   version="1.1"
   id="svg5"
   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
   sodipodi:docname="latticeB_10.svg"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:svg="http://www.w3.org/2000/svg">
  <sodipodi:namedview
     id="namedview7"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     inkscape:showpageshadow="2"
     inkscape:pageopacity="0.0"
     inkscape:pagecheckerboard="0"
     inkscape:deskcolor="#d1d1d1"
     inkscape:document-units="mm"
     showgrid="false"
     inkscape:zoom="1.0419012"
     inkscape:cx="664.65036"
     inkscape:cy="366.63745"
     inkscape:window-width="1920"
     inkscape:window-height="999"
     inkscape:window-x="0"
     inkscape:window-y="0"
     inkscape:window-maximized="1"
     inkscape:current-layer="layer2" />
  <defs
     id="defs2">
    <marker
       style="overflow:visible"
       id="Arrow2"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-7"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-0" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-93"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-6" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-7-2"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-0-6" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-93-1"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-6-8" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-75"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-9" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-75-2"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-9-8" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-75-7"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-9-3" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-75-7-1"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-9-3-2" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-93-1-4"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-6-8-7" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow2-9-7-2-8"
       refX="0"
       refY="0"
       orient="auto-start-reverse"
       inkscape:stockid="Arrow2"
       markerWidth="7.6999998"
       markerHeight="5.5999999"
       viewBox="0 0 7.7 5.6"
       inkscape:isstock="true"
       inkscape:collect="always"
       preserveAspectRatio="xMidYMid">
      <path
         transform="scale(0.7)"
         d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
         id="arrow2L-1-0-6-4" />
    </marker>
  </defs>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1"
     sodipodi:insensitive="true">
    <rect
       style="fill:#ffffff;stroke:none;stroke-width:0.999998;stop-color:#000000"
       id="rect288"
       width="262.58151"
       height="156.82782"
       x="0.77790999"
       y="0.93738818" />
  </g>
  <g
     inkscape:groupmode="layer"
     id="layer2"
     inkscape:label="Layer 2">
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
       x="164.56372"
       y="99.307442"
       id="text951"><tspan
         sodipodi:role="line"
         id="tspan949"
         style="fill:#000000;stroke-width:0.264583"
         x="164.56372"
         y="99.307442">$\{\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
       x="164.56372"
       y="13.151893"
       id="text1005"><tspan
         sodipodi:role="line"
         id="tspan1003"
         style="fill:#000000;stroke-width:0.264583"
         x="164.56372"
         y="13.151893">$\{a,b,c\}$</tspan></text>
    <g
       id="g1175"
       transform="translate(51.996784,3.5774043)">
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="49.27084"
         y="67.008698"
         id="text1009"><tspan
           sodipodi:role="line"
           id="tspan1007"
           style="fill:#000000;stroke-width:0.264583"
           x="49.27084"
           y="67.008698">$\{a\}$</tspan></text>
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="112.90984"
         y="67.017166"
         id="text1009-3"><tspan
           sodipodi:role="line"
           id="tspan1007-6"
           style="fill:#000000;stroke-width:0.264583"
           x="112.90984"
           y="67.017166">$\{b\}$</tspan></text>
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="176.20593"
         y="67.008698"
         id="text1009-7"><tspan
           sodipodi:role="line"
           id="tspan1007-5"
           style="fill:#000000;stroke-width:0.264583"
           x="176.20593"
           y="67.008698">$\{c\}$</tspan></text>
    </g>
    <g
       id="g1183"
       transform="translate(51.996784,1.0317046)"
       style="fill:#000000">
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="112.90984"
         y="40.841526"
         id="text1117"><tspan
           sodipodi:role="line"
           id="tspan1115"
           style="fill:#000000;stroke-width:0.264583"
           x="112.90984"
           y="40.841526">$\{a,c\}$</tspan></text>
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="49.27084"
         y="40.841526"
         id="text1117-3"><tspan
           sodipodi:role="line"
           id="tspan1115-5"
           style="fill:#000000;stroke-width:0.264583"
           x="49.27084"
           y="40.841526">$\{a,b\}$</tspan></text>
      <text
         xml:space="preserve"
         style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:center;text-anchor:middle;fill:#000000;stroke-width:0.264583"
         x="176.20593"
         y="40.841526"
         id="text1117-6"><tspan
           sodipodi:role="line"
           id="tspan1115-2"
           style="fill:#000000;stroke-width:0.264583"
           x="176.20593"
           y="40.841526">$\{b,c\}$</tspan></text>
    </g>
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2)"
       d="M 153.33622,90.367682 118.34198,73.428915"
       id="path1300" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9)"
       d="M 177.46016,90.367682 212.4544,73.428915"
       id="path1300-2" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-93)"
       d="M 153.33622,61.655656 118.34198,44.716889"
       id="path1300-0" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-7)"
       d="M 177.46016,61.655656 212.4544,44.716889"
       id="path1300-2-6" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-93-1)"
       d="M 118.34198,61.655656 153.33622,44.716889"
       id="path1300-0-7" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-7-2)"
       d="M 212.4544,61.655656 177.46016,44.716889"
       id="path1300-2-6-9" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-93-1-4)"
       d="M 118.34198,34.227412 153.33622,17.288645"
       id="path1300-0-7-5" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-7-2-8)"
       d="M 212.4544,34.227412 177.46016,17.288645"
       id="path1300-2-6-9-0" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-75)"
       d="m 228.52843,61.091809 0.33313,-12.554874 m -0.33313,12.554874 0.33313,-12.554874"
       id="path1300-2-2"
       sodipodi:nodetypes="cc" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-75-2)"
       d="m 101.90418,61.091809 0.33313,-12.554874 m -0.33313,12.554874 0.33313,-12.554874"
       id="path1300-2-2-9"
       sodipodi:nodetypes="cc" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-75-7)"
       d="m 165.29305,89.571762 0.33313,-12.554874 m -0.33313,12.554874 0.33313,-12.554874"
       id="path1300-2-2-6"
       sodipodi:nodetypes="cc" />
    <path
       style="fill:none;stroke:#000000;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#Arrow2-9-75-7-1)"
       d="m 165.29305,32.445235 0.33313,-12.554874 m -0.33313,12.554874 0.33313,-12.554874"
       id="path1300-2-2-6-9"
       sodipodi:nodetypes="cc" />
    <circle
       style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663"
       cx="147.35568"
       cy="95.24971"
       r="2.7302806" />
    <circle
       style="fill:#008000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-3"
       cx="176.97627"
       cy="68.155472"
       r="2.7302806" />
    <circle
       style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-1"
       cx="18.004833"
       cy="39.402473"
       r="2.7302806" />
    <circle
       style="fill:#008000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-3-0"
       cx="18.004833"
       cy="30.371933"
       r="2.7302806" />
    <circle
       style="fill:#800080;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-6-6"
       cx="18.004833"
       cy="21.341394"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="6.9525447"
       y="13.702217"
       id="text3707"><tspan
         sodipodi:role="line"
         id="tspan3705"
         style="fill:#000000;stroke-width:0.264583"
         x="6.9525447"
         y="13.702217">$write(\{a\})$:</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="23.457415"
       y="24.042637"
       id="text3750"><tspan
         sodipodi:role="line"
         id="tspan3748"
         style="fill:#000000;stroke-width:0.264583"
         x="23.457415"
         y="24.042637">$\sqsupseteq \{a\} \to$ OK</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#999999;stroke-width:0.264583"
       x="23.457415"
       y="33.02087"
       id="text3750-3"><tspan
         sodipodi:role="line"
         id="tspan3748-2"
         style="fill:#999999;stroke-width:0.264583"
         x="23.457415"
         y="33.02087">$\not\sqsupseteq \{a\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#999999;stroke-width:0.264583"
       x="23.457415"
       y="41.972523"
       id="text3750-0"><tspan
         sodipodi:role="line"
         id="tspan3748-6"
         style="fill:#999999;stroke-width:0.264583"
         x="23.457415"
         y="41.972523">$\not\sqsupseteq \{a\}$</tspan></text>
    <circle
       style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-1-4"
       cx="18.004833"
       cy="90.979645"
       r="2.7302806" />
    <circle
       style="fill:#008000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-3-0-5"
       cx="18.004833"
       cy="81.949104"
       r="2.7302806" />
    <circle
       style="fill:#800080;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-6-6-2"
       cx="18.004833"
       cy="72.918564"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="6.9525447"
       y="65.279381"
       id="text3707-5"><tspan
         sodipodi:role="line"
         id="tspan3705-4"
         style="fill:#000000;stroke-width:0.264583"
         x="6.9525447"
         y="65.279381">$write(\{b\})$:</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="59.340172"
       y="118.94403"
       id="text3707-5-3"><tspan
         sodipodi:role="line"
         id="tspan3705-4-6"
         style="fill:#000000;stroke-width:0.264583"
         x="59.340172"
         y="118.94403">$read()$:</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#999999;stroke-width:0.264583"
       x="23.457415"
       y="75.619804"
       id="text3750-7"><tspan
         sodipodi:role="line"
         id="tspan3748-4"
         style="fill:#999999;stroke-width:0.264583"
         x="23.457415"
         y="75.619804">$\not\sqsupseteq \{b\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="23.457415"
       y="84.598038"
       id="text3750-3-4"><tspan
         sodipodi:role="line"
         id="tspan3748-2-3"
         style="fill:#000000;stroke-width:0.264583"
         x="23.457415"
         y="84.598038">$\sqsupseteq \{b\} \to$ OK</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#999999;stroke-width:0.264583"
       x="23.457415"
       y="93.54969"
       id="text3750-0-0"><tspan
         sodipodi:role="line"
         id="tspan3748-6-7"
         style="fill:#999999;stroke-width:0.264583"
         x="23.457415"
         y="93.54969">$\not\sqsupseteq \{b\}$</tspan></text>
    <circle
       style="fill:#800080;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-6"
       cx="118.63729"
       cy="67.630196"
       r="2.7302806" />
    <circle
       style="fill:#800080;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-6-6-0"
       cx="67.201363"
       cy="124.91125"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="72.653946"
       y="127.6125"
       id="text3750-9"><tspan
         sodipodi:role="line"
         id="tspan3748-3"
         style="fill:#000000;stroke-width:0.264583"
         x="72.653946"
         y="127.6125">$\to \{a\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="62.764446"
       y="146.3129"
       id="text4280-6"><tspan
         sodipodi:role="line"
         style="fill:#000000;stroke-width:0.264583"
         x="62.764446"
         y="146.3129"
         id="tspan2630">return $\{a\}$</tspan></text>
    <circle
       style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-3-0-7"
       cx="67.201363"
       cy="133.94179"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="72.653946"
       y="136.59073"
       id="text3750-3-6"><tspan
         sodipodi:role="line"
         id="tspan3748-2-0"
         style="fill:#000000;stroke-width:0.264583"
         x="72.653946"
         y="136.59073">$\to \{\}$</tspan></text>
    <circle
       style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-6-6-0-6"
       cx="174.36296"
       cy="124.91125"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="179.81555"
       y="127.6125"
       id="text3750-9-1"><tspan
         sodipodi:role="line"
         id="tspan3748-3-8"
         style="fill:#000000;stroke-width:0.264583"
         x="179.81555"
         y="127.6125">$\to \{\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="162.7999"
       y="118.94403"
       id="text3707-5-3-7"><tspan
         sodipodi:role="line"
         id="tspan3705-4-6-5"
         style="fill:#000000;stroke-width:0.264583"
         x="162.7999"
         y="118.94403">$read()$:</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;stroke-width:0.264583"
       x="134.97845"
       y="132.58472"
       id="text3899"><tspan
         sodipodi:role="line"
         id="tspan3897"
         style="stroke-width:0.264583"
         x="134.97845"
         y="132.58472">;</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="169.92604"
       y="146.3129"
       id="text4280-6-7"><tspan
         sodipodi:role="line"
         style="fill:#000000;stroke-width:0.264583"
         x="169.92604"
         y="146.3129"
         id="tspan2630-9">return $\{b\}$</tspan></text>
    <circle
       style="fill:#008000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
       id="path3663-3-0-7-2"
       cx="174.36296"
       cy="133.94179"
       r="2.7302806" />
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;stroke-width:0.264583"
       x="179.81555"
       y="136.59073"
       id="text3750-3-6-0"><tspan
         sodipodi:role="line"
         id="tspan3748-2-0-2"
         style="fill:#000000;stroke-width:0.264583"
         x="179.81555"
         y="136.59073">$\to \{b\}$</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:8.46667px;line-height:1.25;font-family:sans-serif;text-align:end;text-anchor:end;fill:#ff0000;stroke-width:0.264583"
       x="259.75"
       y="135.53111"
       id="text9043"><tspan
         sodipodi:role="line"
         id="tspan9041"
         style="fill:#ff0000;stroke-width:0.264583"
         x="259.75"
         y="135.53111">${\Large\textbf{??!}}$~~~~~</tspan><tspan
         sodipodi:role="line"
         style="fill:#ff0000;stroke-width:0.264583"
         x="259.75"
         y="146.11446"
         id="tspan9372">$\{a\} \not\sqsubseteq \{b\}$</tspan></text>
  </g>
</svg>