src/HOL/ex/Iff_Oracle.thy
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     1 (*  Title:      HOL/ex/Iff_Oracle.thy
     1 (*  Title:      HOL/ex/Iff_Oracle.thy
     2     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     2     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     3     Author:     Makarius
     3     Author:     Makarius
     4 *)
     4 *)
     5 
     5 
     6 header {* Example of Declaring an Oracle *}
     6 section {* Example of Declaring an Oracle *}
     7 
     7 
     8 theory Iff_Oracle
     8 theory Iff_Oracle
     9 imports Main
     9 imports Main
    10 begin
    10 begin
    11 
    11