<keyword>the</keyword>
<keyword>thesis</keyword>
<keyword>becomes</keyword>
+ <keyword>conclude</keyword>
+ <keyword>obtain</keyword>
+ <keyword>proceed</keyword>
+ <keyword>induction</keyword>
+ <keyword>case</keyword>
+ <keyword>hypothesis</keyword>
+ <keyword>know</keyword>
<!-- commands -->
<keyword>alias</keyword>