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+ style="fill:#ff0000;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
+ id="path3663-6-6-4"
+ cx="18.004833"
+ cy="70.942116"
+ 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="23.457415"
+ y="73.643356"
+ id="text3750-7"><tspan
+ sodipodi:role="line"
+ id="tspan3748-65"
+ style="fill:#000000;stroke-width:0.264583"
+ x="23.457415"
+ y="73.643356">$\to \{\}$</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="14.395845"
+ y="52.022549"
+ id="text4280"><tspan
+ sodipodi:role="line"
+ id="tspan4278"
+ style="fill:#000000;stroke-width:0.264583"
+ x="14.395845"
+ y="52.022549">return OK</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="14.395845"
+ y="92.005798"
+ id="text4280-3"><tspan
+ sodipodi:role="line"
+ id="tspan4278-7"
+ style="fill:#000000;stroke-width:0.264583"
+ x="14.395845"
+ y="92.005798">return $\{\}\sqcup\{a\}=\{a\}$</tspan></text>
+ <circle
+ style="fill:#800080;stroke:none;stroke-width:0.499999;stroke-dasharray:none;stop-color:#000000"
+ id="path3663-1-5"
+ cx="18.004833"
+ cy="81.007744"
+ 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="23.457415"
+ y="83.577797"
+ id="text3750-0-6"><tspan
+ sodipodi:role="line"
+ id="tspan3748-6-9"
+ style="fill:#000000;stroke-width:0.264583"
+ x="23.457415"
+ y="83.577797">$\to \{a\}$</tspan></text>
+ </g>
+</svg>