src/HOL/Wfrec.thy
Fri, 31 Jan 2014 14:33:02 +0100 wenzelm tuned headers;
Thu, 16 Jan 2014 16:20:17 +0100 blanchet adapted to move of Wfrec
Thu, 16 Jan 2014 15:47:33 +0100 blanchet moved Wfrec to Main, since it is a dependency of cardinals, hence BNFs
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