\contentsline {section}{\numberline {1}Introduction}{1} \contentsline {section}{\numberline {2}Example of a Manual Proof}{2} \contentsline {section}{\numberline {3}A Mechanized Proof}{6} \contentsline {section}{\numberline {4}From Grammars to Proofs}{7} \contentsline {section}{\numberline {5}Organization of the Prover}{15} \contentsline {subsection}{\numberline {5.1}$\alpha $-matching}{18} \contentsline {section}{\numberline {6}Experience with the prover}{26} \contentsline {section}{\numberline {7}Related Work}{26} \contentsline {section}{\numberline {8}Current Work}{28} \contentsline {section}{\numberline {9}Conclusions}{28}