Michael Norrish Complete Integer Decision Procedures as Derived Rules in HOL. 71-86 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2758&spage=71 2003 conf/tphol/2003 TPHOLs db/conf/tphol/tphol2003.html#Norrish03