+ <child>
+ <widget class="GtkButton" id="butForall_intro">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkLabel" id="label20">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">Universal (∀<sub>i</sub>)</property>
+ <property name="use_markup">True</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">6</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkButton" id="butExists_intro">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkLabel" id="label21">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">Existential (∃<sub>i</sub>)</property>
+ <property name="use_markup">True</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">7</property>
+ </packing>
+ </child>