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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 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<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> </g> </svg>