src/HOL/Quotient_Examples/Lift_Fun.thy
Fri, 23 Mar 2012 14:26:09 +0100 fix example files
Fri, 23 Mar 2012 14:17:29 +0100 fix Quotient_Examples
Fri, 09 Dec 2011 14:22:05 +0100 added an example file with lifting of constants with contravariant and co/contravariant types