<keyword>assumption</keyword>
<keyword>auto</keyword>
<keyword>paramodulation</keyword>
+ <keyword>cases</keyword>
<keyword>clear</keyword>
<keyword>clearbody</keyword>
<keyword>change</keyword>
<keyword>solve</keyword>
<keyword>do</keyword>
<keyword>repeat</keyword>
+ <keyword>end</keyword>
<keyword>first</keyword>
<keyword>focus</keyword>
<keyword>unfocus</keyword>