src/HOL/Finite.thy
changeset 3367 832c245d967c
parent 1556 2fd82cec17d4
child 3389 3150eba724a1
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3366:2402c6ab1561 3367:832c245d967c
     4     Copyright   1995  University of Cambridge & TU Muenchen
     4     Copyright   1995  University of Cambridge & TU Muenchen
     5 
     5 
     6 Finite sets and their cardinality
     6 Finite sets and their cardinality
     7 *)
     7 *)
     8 
     8 
     9 Finite = Arith +
     9 Finite = Divides +
    10 
    10 
    11 consts Fin :: 'a set => 'a set set
    11 consts Fin :: 'a set => 'a set set
    12 
    12 
    13 inductive "Fin(A)"
    13 inductive "Fin(A)"
    14   intrs
    14   intrs