src/HOL/Fun.thy
changeset 27106 ff27dc6e7d05
parent 26588 d83271bfaba5
child 27125 0733f575b51e
     1.1 --- a/src/HOL/Fun.thy	Tue Jun 10 15:30:54 2008 +0200
     1.2 +++ b/src/HOL/Fun.thy	Tue Jun 10 15:30:56 2008 +0200
     1.3 @@ -117,7 +117,7 @@
     1.4  
     1.5  definition
     1.6    bij_betw :: "('a => 'b) => 'a set => 'b set => bool" where -- "bijective"
     1.7 -  "bij_betw f A B \<longleftrightarrow> inj_on f A & f ` A = B"
     1.8 +  [code func del]: "bij_betw f A B \<longleftrightarrow> inj_on f A & f ` A = B"
     1.9  
    1.10  constdefs
    1.11    surj :: "('a => 'b) => bool"                   (*surjective*)