src/ZF/Finite.thy
changeset 12214 f368821d9c68
parent 12175 5cf58a1799a7
child 13194 812b00ed1c03
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     4     Copyright   1994  University of Cambridge
     4     Copyright   1994  University of Cambridge
     5 
     5 
     6 Finite powerset operator
     6 Finite powerset operator
     7 *)
     7 *)
     8 
     8 
     9 Finite = Inductive + Nat +
     9 Finite = Inductive + Epsilon + Nat +
    10 
    10 
    11 (*The natural numbers as a datatype*)
    11 (*The natural numbers as a datatype*)
    12 rep_datatype 
    12 rep_datatype 
    13   elim		natE
    13   elim		natE
    14   induct	nat_induct
    14   induct	nat_induct