<keyword>assumption</keyword>
<keyword>auto</keyword>
<keyword>paramodulation</keyword>
+ <keyword>cases</keyword>
<keyword>clear</keyword>
<keyword>clearbody</keyword>
<keyword>change</keyword>
<keyword>normalize</keyword>
<keyword>reduce</keyword>
<keyword>reflexivity</keyword>
+ <keyword>rename</keyword>
<keyword>replace</keyword>
<keyword>rewrite</keyword>
<keyword>ring</keyword>