A Resolution Decision Procedure for the Guarded Fragment with Transitive Guards.

Yevgeny Kazakov Hans de Nivelle A Resolution Decision Procedure for the Guarded Fragment with Transitive Guards. 122-136 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3097&spage=122 2004 conf/cade/2004 IJCAR db/conf/cade/ijcar2004.html#KazakovN04