| changeset 6053 | 8a1059aa01f0 |
| parent 2469 | b50b8c0eec01 |
| child 13134 | bf37a3049251 |
--- a/src/ZF/AC.thy Mon Dec 28 16:58:11 1998 +0100 +++ b/src/ZF/AC.thy Mon Dec 28 16:59:28 1998 +0100 @@ -9,6 +9,12 @@ *) AC = func + + +constdefs + (*Needs to be visible for Zorn.thy*) + increasing :: i=>i + "increasing(A) == {f: Pow(A)->Pow(A). ALL x. x<=A --> x<=f`x}" + rules AC "[| a: A; !!x. x:A ==> (EX y. y:B(x)) |] ==> EX z. z : Pi(A,B)" end